CN110504983A - A kind of circuit control system, method and medium for the unification of indoor unit main extension - Google Patents
A kind of circuit control system, method and medium for the unification of indoor unit main extension Download PDFInfo
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- CN110504983A CN110504983A CN201910799441.5A CN201910799441A CN110504983A CN 110504983 A CN110504983 A CN 110504983A CN 201910799441 A CN201910799441 A CN 201910799441A CN 110504983 A CN110504983 A CN 110504983A
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- indoor unit
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- power supply
- host
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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
- H04B1/40—Circuits
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L12/40006—Architecture of a communication node
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/14—Systems for two-way working
- H04N7/141—Systems for two-way working between two video terminals, e.g. videophone
- H04N7/147—Communication arrangements, e.g. identifying the communication as a video-communication, intermediate storage of the signals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
- H04N7/183—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a single remote source
- H04N7/186—Video door telephones
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q5/00—Selecting arrangements wherein two or more subscriber stations are connected by the same line to the exchange
- H04Q5/24—Selecting arrangements wherein two or more subscriber stations are connected by the same line to the exchange for two-party-line systems
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- Engineering & Computer Science (AREA)
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- Computer Networks & Wireless Communication (AREA)
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- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention discloses a kind of circuit control system, method and media for the unification of indoor unit main extension, and the system comprises: Power Entry Module, power supply adjustment module, electronic inductance circuit module, circuit protection module, constant-current source switch module, low-pass filter circuit module, current detection circuit module, main extension switching module, extension set power supply circuit module, detection module, video matching circuit module, audio and communication bus module, two line BUS modules and PIN interface modules.The present invention can pass through nonpolarity networking technology, wiring is simple, terminal user's installation difficulty is reduced, unified indoor unit main extension circuitry reduces retailer and warehousing pressure, switching can be arbitrarily arranged in main extension, the problem of realizing the effect that indoor unit main extension self-adaptation flexible switches, avoiding the occurrence of entire networking operation irregularity after host damages, improves being adjusted flexibly property, self-adapting detecting host and extension set quantity avoid multiple host or lead to the situation of operation irregularity without host.
Description
Technical field
The present invention relates to building indoor unit technical fields, and in particular to a kind of circuit control for the unification of indoor unit main extension
System, method and medium processed.
Background technique
In the modern life, with the raising of residential quarters being continuously increased with people life level, the building of residential quarter
Intercom demand increases with it, and needs further to improve functionality, operability and the safety of building indoor unit,
Machine control system in a kind of building room is needed, can be realized the abnormal effect of networking, setting and monitoring.
But in the research and practice process to the prior art, it was found by the inventors of the present invention that existing indoor unit one
As use polarized networking, need to remember the order of connection of each indoor unit, especially the networking simultaneously of multiple indoor units when
It waits, when one of indoor unit line sequence wrong will lead to whole system paralysis, wiring is cumbersome, wants to Generic End-User installation
Ask too high；And some new indoor machine hosts and extension set use nonpolarity networking, it is different due to having on host and extension set circuit
Difference, therefore host and extension facility can not share, lacking host will lead to whole system cisco unity malfunction, and one
Group network system can only have a host, and system flexibility is lower.When host breaks down, terminal user must be this host
Repairing good entire group network system could work normally.At the same time, the host in each market and the quantity of extension set not can determine that, lead
Cause company stock is difficult.On the other hand, the setting intelligence degree of existing indoor machine host and extension set is low, generally passes through jump cap
The hardware modes such as short circuit and toggle switch realize the selection of host and extension set, or fixed a certain is host, host and extension set
Terminal user basically can not adjust main extension position in real time, or even cause host and extension set to realize and exhale difficult ask in point-to-point
Topic.
Summary of the invention
The technical problem to be solved by the embodiment of the invention is that providing a kind of circuit for the unification of indoor unit main extension
Control system, method and medium realize the switching of indoor unit main extension self-adaptation flexible.
To solve the above problems, one embodiment of the present of invention provides a kind of circuit control for the unification of indoor unit main extension
System processed, comprising:
Power Entry Module, the circuit device for unifying for indoor unit main extension provide input power；
Power supply adjusts module, anti-interference including the EMC for realizing the non-polar rectifier bridge of power supply and for improving circuit
The pi type filter of ability；
Electronic inductance circuit module provides corresponding operating circuit ohm resistance within the scope of normal frequency for speaking in user
Anti- and DC voltage；
Circuit protection module, including for prevent electronic inductance circuit leak electricity diode, for matching audio and communication
The circuit RC of impedance and thermistor for short-circuit protection；
Constant-current source switch module, including for switching selection power supply when indoor unit is host, audio and communication impedance
Host constant current source switch, and for switch indoor unit be extension set when selection power supply, audio and communicate impedance extension set
Constant current source switch；
Low-pass filter circuit module, for filtering out the received vision signal of indoor unit；
Current detection circuit module, for detecting the supply current of two line BUS module of host；
Main extension switching module, including the double-point double-throw switch for indoor unit to be switched to host and extension set；
Extension set power supply circuit module is provided for host for the audio and communication bus of extension set by rectifier bridge non-polar
Input power, and interconnect audio and communication bus and two line BUS；
Detection module, for obtaining indoor machine host in real time automatically by the mode of inquiry when device power works and dividing
The quantity and address information of machine, and issue address conflict warning.
Further, the circuit control system for the unification of indoor unit main extension, further includes:
Video matching circuit module, for improving the received video signal quality of equipment institute；
Audio and communication bus module are used for incoming audio signal, power supply signal and signal of communication；
Two line BUS modules, transmit signal for each signal frequency to be staggered, including audio signal, vision signal, power supply and
Signal of communication；
PIN interface module, if for being separately connected power supply, doorway machine and cadre's indoor unit.
Further, the RC impedance loop is set as 100~300 Ω.
Further, the electronic inductance circuit audio equivalent impedance value range be greater than 1.5k ohmage, it is described
DC voltage is less than 3V.
Further, the current detection circuit module, further includes: when the supply current for detecting two line BUS modules is more than
When preset value, the current detection circuit module executes power operation, cuts off the power supply of two line BUS modules.
Further, the host constant current source switch, specifically, for after current indoor machine-cut is changed to host, selection
Corresponding power supply, audio signal and communication impedance, and be the indoor unit extension set power supply in doorway machine and networking, so that audio
Signal and vision signal are amplified by the circuit RC, and provide audio signal and signal of communication over the ground using constant-current source
Impedance.
Further, the extension set constant current source switch, specifically, for after current indoor machine-cut is changed to extension set, connection
Extension set power supply circuit provides power supply, audio signal and communication channel for indoor unit, stops as the room in doorway machine and networking
Interior machine extension set power supply.
Another embodiment of the present invention provides a kind of circuit control method for the unification of indoor unit main extension, at least wraps
Include following steps:
Several indoor units connected will be needed to be directly linked together by 2 lines, complete networking；
Setting current indoor machine is host, controls the host constant-current source switch conduction of indoor unit, disconnects the extension set of indoor unit
Constant current source switch, double-point double-throw switch switching is connected to low-pass filter circuit module, so that input power sequentially passes through power supply tune
It is mould preparation block, electronic inductance circuit module, circuit protection module, host constant-current source switch module, audio and communication bus module, low
Bandpass filter circuit module, main extension switching module, video matching module, thus for the indoor unit extension set in doorway machine and networking
Audio and communication bus module are powered, and complete indoor unit mian engine changeover, the audio and communication signal of indoor machine host are successively
By video matching module, main extension switching module, low-pass filter circuit module, audio and communication bus module and doorway machine and
Indoor unit extension set in networking interacts；
Setting current indoor machine is extension set, and the host constant current source switch for controlling indoor unit disconnects, and the extension set of indoor unit is connected
Constant current source switch, double-point double-throw switch switching are connected to extension set power supply circuit module, and indoor unit stops being in doorway machine and networking
The power supply of indoor unit extension set, audio and communication signal pass sequentially through video matching module, main extension switching module, extension set power supply electricity
Road module, extension set constant current source switch, audio and communication bus module are interacted with the indoor machine host in doorway machine and networking；
The quantity and address information for obtaining indoor machine host and extension set in real time automatically by the mode that software is inquired, work as detection
When exception information, address conflict warning is issued.
Further, the circuit control method for the unification of indoor unit main extension, further includes:
The supply current of two line BUS module of real-time detection judges whether to be more than preset value；
If so, the current detection circuit module executes power operation, the power supply of two line BUS modules is cut off.
One embodiment of the present of invention additionally provides a kind of computer readable storage medium, the computer-readable storage medium
Matter includes the computer program of storage, wherein controls the computer readable storage medium in computer program operation
Place equipment is executed such as the above-mentioned circuit control system for the unification of indoor unit main extension.
The implementation of the embodiments of the present invention has the following beneficial effects:
A kind of circuit control system, method and medium for the unification of indoor unit main extension provided in an embodiment of the present invention,
The system comprises: Power Entry Module, power supply adjustment module, electronic inductance circuit module, circuit protection module, constant-current source are opened
Close module, low-pass filter circuit module, current detection circuit module, main extension switching module, extension set power supply circuit module, detection
Module, video matching circuit module, audio and communication bus module, two line BUS modules and PIN interface module.The present invention can
By nonpolarity networking technology, wiring is simple, reduces terminal user's installation difficulty, and unified indoor unit main extension circuitry subtracts
Switching can be arbitrarily arranged in small retailer and warehousing pressure, main extension, realize the effect of indoor unit main extension self-adaptation flexible switching
Fruit, improves being adjusted flexibly property at the problem of avoiding the occurrence of entire networking operation irregularity after host damage, self-adapting detecting host and point
Machine quantity avoids multiple host or leads to the situation of operation irregularity without host.
Detailed description of the invention
Fig. 1 is that a kind of structure of circuit control system for the unification of indoor unit main extension provided in an embodiment of the present invention is shown
It is intended to；
Fig. 2 is a kind of circuit dress of circuit control system for the unification of indoor unit main extension provided in an embodiment of the present invention
The structural schematic diagram set；
Fig. 3 is that a kind of process of circuit control method for the unification of indoor unit main extension provided in an embodiment of the present invention is shown
It is intended to.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The application scenarios that the present invention can provide are introduced first, and a kind of circuit for the unification of indoor unit main extension is such as provided
Control system.
First embodiment of the invention:
Please refer to Fig. 1-2.
As shown in Figure 1, a kind of circuit control system for the unification of indoor unit main extension provided in this embodiment, comprising:
The circuit device that Power Entry Module 100 is used to unify for indoor unit main extension provides input power；
Power supply adjusts module 200, anti-dry including the EMC for realizing the non-polar rectifier bridge of power supply and for improving circuit
Disturb the pi type filter of ability；
Electronic inductance circuit module 300 provides corresponding operating circuit Europe within the scope of normal frequency for speaking in user
Nurse impedance and DC voltage；
Circuit protection module 400, including for preventing electronic inductance circuit from leaking electricity diode, for matching audio and logical
Interrogate the circuit RC of impedance and the thermistor for short-circuit protection；
Constant-current source switch module 500, including for switching selection power supply when indoor unit is host, audio and communication resistance
Anti- host constant current source switch, and point for switching selection power supply when indoor unit is extension set, audio and communication impedance
Machine constant current source switch；
Low-pass filter circuit module 600, for filtering out the received vision signal of indoor unit；
Current detection circuit module 700, for detecting the supply current of two line BUS module of host；
Main extension switching module 800, including the double-point double-throw switch for indoor unit to be switched to host and extension set；
Extension set power supply circuit module 900 is provided for host for the audio and communication bus of extension set by rectifier bridge electrodeless
Property input power, and interconnect audio and communication bus and two line BUS；
Detection module 1000, for obtaining indoor machine host in real time automatically by the mode of inquiry when device power works
With the quantity and address information of extension set, and issue address conflict warning.
Specifically, as shown in Fig. 2, the present embodiment additionally provides a kind of circuit control realized for the unification of indoor unit main extension
The circuit device of system processed, for rectifier bridge for realizing the nonpolarity of power supply, the EMC that pi type filter is used to improve circuit is anti-interference
Ability；For electronic inductance circuit, feature is similar to an inductance, and pressure drop is smaller for direct current, hinders for exchange
Resist larger, in 500~3000Hz, this electronic inductance circuit will have greatly the normal frequency range spoken due to human body in this frequency range
In 1.5k ohmage, DC voltage is less than 3V.First diode is for preventing electronic inductance circuit leakage current from flowing backward to power supply
On, lead to networking operation irregularity.Thermistor is used for short-circuit protection.Host constant current source switch, it acts as selection power supplies
It with audio, communication impedance, is opened when as host, power supply is powered to doorway machine, while audio and video pass through capacitance-resistance C1
Amplified with R1, using constant-current source can guarantee audio and communication earth impedance it is sufficiently large, guarantee more networkings when its
Parallel resistance is on audio and communication quality without influence over the ground.Low-pass filter circuit, for filtering out vision signal, in the present embodiment
Vision signal is by being modulated to 11MHz.Current detection circuit gives two-wire power supply electric current for detecting host, if detection electric current
More than desired value, it can power off, shield to two lines.For extension set power supply circuit.Host is by rectifier bridge D3 to the sound of extension set
Frequency and communication bus power supply, it is nonpolarity.L3, L4 and C4 function are identical as the effect of low-pass filter circuit.Audio and communication pass through
The realization of extension set power supply circuit is interacted with two line BUS.Double-point double-throw switch is for switching host and extension set.Video matching circuit is used
In raising video signal quality.Voice communication bus, face has audio, power supply and signal of communication thereon.Extension set controls constant-current source
Switch can guarantee that audio and communication earth impedance are enough using constant-current source it acts as power supply, audio and communication channel is provided
Greatly, guarantee more networkings when its over the ground parallel resistance on audio and communication quality without influence.Meanwhile when device works on power
When, software obtains quantity and the address of host and extension set automatically by the mode of inquiry automatically, prevents address conflict, avoids
Multiple host leads to operation irregularity without host.
In a preferred embodiment, the circuit control system for the unification of indoor unit main extension, further includes:
Video matching circuit module, for improving the received video signal quality of equipment institute；
Audio and communication bus module are used for incoming audio signal, power supply signal and signal of communication；
Two line BUS modules, transmit signal for each signal frequency to be staggered, including audio signal, vision signal, power supply and
Signal of communication；
PIN interface module, if for being separately connected power supply, doorway machine and cadre's indoor unit.
In a preferred embodiment, the RC impedance loop is set as 100~300 Ω.
Specifically, the capacitor C1 and resistance R1 in the circuit RC are traditionally arranged to be for matching audio and communication impedance, capacitor
Greater than 47uF, resistance is traditionally arranged to be between 100~300 Ω.
In a preferred embodiment, the electronic inductance circuit audio impedance value range be greater than 1.5k ohmage,
The DC voltage is less than 3V.
Specifically, feature is similar to an inductance, and pressure drop is smaller for direct current for electronic inductance circuit, for
Impedance is larger for exchange, and for the normal frequency range spoken due to human body in 500~3000Hz, this electronic inductance circuit will be herein
Have in frequency range greater than 1.5k ohmage, DC voltage is less than 3V.
In a preferred embodiment, the current detection circuit module, further includes: when the power supply for detecting two line BUS modules
When electric current is more than preset value, the current detection circuit module executes power operation, cuts off the power supply of two line BUS modules.
In a preferred embodiment, the host constant current source switch, specifically, for current indoor machine-cut to be changed to host
Afterwards, corresponding power supply, audio signal and communication impedance are selected, and is the indoor unit power supply in doorway machine and networking, so that
Audio signal and vision signal are amplified by the circuit RC, and provide audio signal and vision signal foot using constant-current source
Enough big earth impedance.
In a preferred embodiment, the extension set constant current source switch, specifically, for current indoor machine-cut to be changed to extension set
Afterwards, it connects extension set power supply circuit and provides power supply, audio signal and communication channel for indoor unit, stop as doorway machine and networking
Interior indoor unit extension set power supply.
A kind of circuit control system for the unification of indoor unit main extension provided in this embodiment, comprising: power input mould
Block, power supply adjust module, electronic inductance circuit module, circuit protection module, constant-current source switch module, low-pass filter circuit mould
Block, current detection circuit module, main extension switching module, extension set power supply circuit module, detection module, video matching circuit mould
Block, audio and communication bus module, two line BUS modules and PIN interface module.The present invention can by nonpolarity networking technology,
Wiring is simple, reduces terminal user's installation difficulty, and unified indoor unit main extension circuitry reduces retailer and warehousing pressure,
Switching can be arbitrarily arranged in main extension, realize the effect of indoor unit main extension self-adaptation flexible switching, avoid the occurrence of host damage
Afterwards the problem of entire networking operation irregularity, being adjusted flexibly property, self-adapting detecting host and extension set quantity are improved, multiple host is avoided
Or lead to the situation of operation irregularity without host.
Second embodiment of the invention:
Please refer to Fig. 2-3.
As shown in figure 3, the present embodiment additionally provides a kind of circuit control method for the unification of indoor unit main extension, at least
Include the following steps:
S101, several indoor units connected will be needed to be directly linked together by 2 lines, completes networking；
S102, setting current indoor machine are host, control the host constant-current source switch conduction of indoor unit, disconnect indoor unit
Extension set constant current source switch, double-point double-throw switch switching is connected to low-pass filter circuit module, so that input power sequentially passes through electricity
Source adjusts module, electronic inductance circuit module, circuit protection module, host constant-current source switch module, audio and communication bus mould
Block, low-pass filter circuit module, main extension switching module, video matching module, thus for the indoor unit in doorway machine and networking
The audio and communication bus module of extension set are powered, and complete indoor unit mian engine changeover, the audio and communication letter of indoor machine host
Number pass sequentially through video matching module, main extension switching module, low-pass filter circuit module, audio and communication bus module and door
Indoor unit extension set in mouth machine and networking interacts；
S103, setting current indoor machine are extension set, and the host constant current source switch for controlling indoor unit disconnects, and indoor unit is connected
Extension set constant current source switch, double-point double-throw switch switching are connected to extension set power supply circuit module, and indoor unit stops being doorway machine and group
Indoor unit extension set power supply in net, audio and communication signal pass sequentially through video matching module, main extension switching module, extension set and supply
Indoor machine host in electric circuit module, extension set constant current source switch, audio and communication bus module and doorway machine and networking carries out
Interaction；
S104, the quantity and address information for obtaining indoor machine host and extension set in real time automatically by the mode that software is inquired,
When detecting exception information, address conflict warning is issued.
Specifically, 2PIN connection power supply, in addition 2PIN can connect doorway simultaneously as shown in Fig. 2, indoor unit has 4PIN interface
Machine and other indoor units.There are audio, video, power supply and signal of communication on two line BUS.Each signal frequency, which is staggered, transmits signal.Room
When interior machine is as host, software control 6 is connected, and 13 disconnect, and switch 10 is switched to L1 and L2 circuit, and power supply passes through 1-2-3-
4-5-6-12-7-10-11 powers to doorway machine and other indoor unit extension set buses 12.When indoor unit is as host, audio
Realize that indoor unit is interacted with doorway machine or indoor unit extension set by 11-10-7-12 with communication signal.Indoor unit is as extension set
When, software control 6 disconnects, 13 conductings, and switch 10 is switched to L3 and L4 circuit, and indoor unit does not give doorway machine and other extension sets to supply
Electricity.When indoor unit is as extension set, audio and communication signal by 11-10-9-13-12 realize indoor unit and doorway machine or
The interaction of indoor unit extension set.
In a preferred embodiment, the circuit control method for the unification of indoor unit main extension, further includes:
The supply current of S105, two line BUS module of real-time detection judge whether to be more than preset value；
If so, the current detection circuit module executes power operation, the power supply of two line BUS modules is cut off.
Specifically, can power off to two lines if detection electric current is more than desired value, play the role of protecting circuit.
Implement the present embodiment to have the following beneficial effects:
The present invention can be by nonpolarity networking technology, and wiring is simple, reduces terminal user's installation difficulty, unified indoor unit
Main extension circuitry reduces retailer and warehousing pressure, and switching can be arbitrarily arranged in main extension, realizes indoor unit main extension certainly
The problem of adapting to the effect flexibly switched, avoiding the occurrence of entire networking operation irregularity after host damages, improves being adjusted flexibly property, from
Detection host and extension set quantity are adapted to, multiple host is avoided or leads to the situation of operation irregularity without host.
One embodiment of the present of invention additionally provides a kind of computer readable storage medium, the computer-readable storage medium
Matter includes the computer program of storage, wherein controls the computer readable storage medium in computer program operation
Place equipment is executed such as a kind of above-mentioned circuit control system for the unification of indoor unit main extension.
In the above embodiment of the invention, it all emphasizes particularly on different fields to the description of each embodiment, does not have in some embodiment
The part of detailed description, reference can be made to the related descriptions of other embodiments.
In several embodiments provided herein, it should be understood that disclosed technology contents can pass through others
Mode is realized.Wherein, system embodiment described above is only schematical, such as the division of the module, Ke Yiwei
A kind of logical function partition, there may be another division manner in actual implementation, for example, multiple module or components can combine or
Person is desirably integrated into another system, or some features can be ignored or not executed.Another point, shown or discussed is mutual
Between coupling, direct-coupling or communication connection can be through some interfaces, the INDIRECT COUPLING or communication link of unit or module
It connects, can be electrical or other forms.
The module as illustrated by the separation member may or may not be physically separated, aobvious as module
The component shown may or may not be physical module, it can and it is in one place, or may be distributed over multiple
In module.Some or all of the modules therein can be selected to achieve the purpose of the solution of this embodiment according to the actual needs.
It, can also be in addition, each functional module in each embodiment of the present invention can integrate in a processing module
It is that modules physically exist alone, can also be integrated in two or more modules in a module.Above-mentioned integrated mould
Block both can take the form of hardware realization, can also be realized in the form of software function module.
The above is a preferred embodiment of the present invention, it is noted that for those skilled in the art
For, without departing from the principle of the present invention, several improvement and deformations can also be made, these improvement and deformations are also considered as
Protection scope of the present invention.
Those of ordinary skill in the art will appreciate that realizing all or part of the process in above-described embodiment method, being can be with
Relevant hardware is instructed to complete by computer program, the program can be stored in a computer-readable storage medium
In, the program is when being executed, it may include such as the process of the embodiment of above-mentioned each method.Wherein, the storage medium can be magnetic
Dish, CD, read-only memory (Read-Only Memory, ROM) or random access memory (Random Access
Memory, RAM) etc..
Claims (10)
1. a kind of circuit control system for the unification of indoor unit main extension characterized by comprising
Power Entry Module, the circuit device for unifying for indoor unit main extension provide input power；
Power supply adjusts module, including the EMC anti-interference ability for realizing the non-polar rectifier bridge of power supply and for improving circuit
Pi type filter；
Electronic inductance circuit module, for user speak provide within the scope of normal frequency corresponding operating circuit ohmage and
DC voltage；
Circuit protection module, including for prevent electronic inductance circuit leak electricity diode, for match audio and communication impedance
The circuit RC and thermistor for short-circuit protection；
Constant-current source switch module, including for switching selection power supply, audio and the master for communicating impedance when indoor unit is host
Machine constant current source switch, and for switching selection power supply, audio and the extension set constant current for communicating impedance when indoor unit is extension set
Source switch；
Low-pass filter circuit module, for filtering out the received vision signal of indoor unit；
Current detection circuit module, for detecting the supply current of two line BUS module of host；
Main extension switching module, including the double-point double-throw switch for indoor unit to be switched to host and extension set；
Extension set power supply circuit module provides non-polar input by rectifier bridge for host for the audio and communication bus of extension set
Power supply, and interconnect audio and communication bus and two line BUS；
Detection module, for obtaining indoor machine host and extension set in real time automatically by the mode of inquiry when device power works
Quantity and address information, and issue address conflict warning.
2. the circuit control system according to claim 1 for the unification of indoor unit main extension, which is characterized in that also wrap
It includes:
Video matching circuit module, for improving the received video signal quality of equipment institute；
Audio and communication bus module are used for incoming audio signal, power supply signal and signal of communication；
Two line BUS modules, transmit signal for each signal frequency to be staggered, including audio signal, vision signal, power supply and communication
Signal；
PIN interface module, if for being separately connected power supply, doorway machine and cadre's indoor unit.
3. the circuit control system according to claim 1 for the unification of indoor unit main extension, which is characterized in that the RC
Impedance loop is set as 100~300 Ω.
4. the circuit control system according to claim 1 for the unification of indoor unit main extension, which is characterized in that the electricity
Sub- inductive circuit audio equivalent impedance value range is greater than 1.5k ohmage, and the DC voltage is less than 3V.
5. the circuit control system according to claim 1 for the unification of indoor unit main extension, which is characterized in that the electricity
Current detection circuit module, further includes: when the supply current for detecting two line BUS modules is more than preset value, the current detecting electricity
Flow module executes power operation, cuts off the power supply of two line BUS modules.
6. the circuit control system according to claim 1 for the unification of indoor unit main extension, which is characterized in that the master
Machine constant current source switch, specifically, selecting corresponding power supply, audio signal for after current indoor machine-cut is changed to host
And be the indoor unit extension set power supply in doorway machine and networking with communication impedance so that audio signal and vision signal pass through it is described
The circuit RC amplifies, and provides the earth impedance of audio signal and signal of communication using constant-current source.
7. the circuit control system according to claim 1 for the unification of indoor unit main extension, which is characterized in that described point
Machine constant current source switch, specifically, connection extension set power supply circuit provides for after current indoor machine-cut is changed to extension set for indoor unit
Power supply, audio signal and communication channel stop as the indoor unit extension set power supply in doorway machine and networking.
8. a kind of circuit control method for the unification of indoor unit main extension, which is characterized in that include at least following steps:
Several indoor units connected will be needed to be directly linked together by 2 lines, complete networking；
Setting current indoor machine is host, controls the host constant-current source switch conduction of indoor unit, disconnects the extension set constant current of indoor unit
Source switch, double-point double-throw switch switching is connected to low-pass filter circuit module, so that input power sequentially passes through power supply and adjusts mould
Block, electronic inductance circuit module, circuit protection module, host constant-current source switch module, audio and communication bus module, low pass filtered
Wave circuit module, main extension switching module, video matching module, thus for the audio of the indoor unit extension set in doorway machine and networking
It is powered with communication bus module, completes indoor unit mian engine changeover, the audio and communication signal of indoor machine host pass sequentially through
Video matching module, main extension switching module, low-pass filter circuit module, audio and communication bus module and doorway machine and networking
Interior indoor unit extension set interacts；
Setting current indoor machine is extension set, and the host constant current source switch for controlling indoor unit disconnects, and the extension set constant current of indoor unit is connected
Source switch, double-point double-throw switch switching are connected to extension set power supply circuit module, and indoor unit stops being the room in doorway machine and networking
Interior machine extension set power supply, audio and communication signal pass sequentially through video matching module, main extension switching module, extension set power supply circuit mould
Block, extension set constant current source switch, audio and communication bus module are interacted with the indoor machine host in doorway machine and networking；
The quantity and address information for obtaining indoor machine host and extension set in real time automatically by the mode that software is inquired, when detection is abnormal
When information, address conflict warning is issued.
9. the circuit control method according to claim 8 for the unification of indoor unit main extension, which is characterized in that also wrap
It includes:
The supply current of two line BUS module of real-time detection judges whether to be more than preset value；
If so, the current detection circuit module executes power operation, the power supply of two line BUS modules is cut off.
10. a kind of computer readable storage medium, which is characterized in that the computer readable storage medium includes the calculating of storage
Machine program, wherein equipment where controlling the computer readable storage medium in computer program operation is executed as weighed
Benefit requires the circuit control system described in 1-7 for the unification of indoor unit main extension.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113048615A (en) * | 2021-03-29 | 2021-06-29 | 珠海格力电器股份有限公司 | Air conditioning system, communication control method and device thereof, storage medium and processor |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1360263A (en) * | 2002-01-10 | 2002-07-24 | 昆明市粮油储运公司 | Bidirectional transmission method and equipment for multiple groups of measuring and controling information by two-line power supply |
| JP2004229108A (en) * | 2003-01-24 | 2004-08-12 | Aiphone Co Ltd | Display device for paging inhabitant |
| CN201207647Y (en) * | 2008-05-27 | 2009-03-11 | 青岛海科森科技有限公司 | Two-wire system non-polarity master-slave type communication transceiver |
| US20120028589A1 (en) * | 2010-08-02 | 2012-02-02 | At&T Intellectual Property I, L.P. | Method and system for interactive home monitoring |
| CN203086467U (en) * | 2012-12-29 | 2013-07-24 | 福建省冠林科技有限公司 | Four-line system indoor machine off hook detection circuit |
| CN106060449A (en) * | 2016-07-15 | 2016-10-26 | 厦门理工学院 | Information transmission measurement and control system and method suitable for video intercom system |
| US10284357B2 (en) * | 2015-11-10 | 2019-05-07 | Panasonic Intellectual Property Management Co., Ltd. | Intercom system and communication method thereof |
| CN110087027A (en) * | 2019-04-09 | 2019-08-02 | 广西俊锦科技有限公司 | Novel safety defense monitoring system |
-
2019
- 2019-08-27 CN CN201910799441.5A patent/CN110504983B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1360263A (en) * | 2002-01-10 | 2002-07-24 | 昆明市粮油储运公司 | Bidirectional transmission method and equipment for multiple groups of measuring and controling information by two-line power supply |
| JP2004229108A (en) * | 2003-01-24 | 2004-08-12 | Aiphone Co Ltd | Display device for paging inhabitant |
| CN201207647Y (en) * | 2008-05-27 | 2009-03-11 | 青岛海科森科技有限公司 | Two-wire system non-polarity master-slave type communication transceiver |
| US20120028589A1 (en) * | 2010-08-02 | 2012-02-02 | At&T Intellectual Property I, L.P. | Method and system for interactive home monitoring |
| CN203086467U (en) * | 2012-12-29 | 2013-07-24 | 福建省冠林科技有限公司 | Four-line system indoor machine off hook detection circuit |
| US10284357B2 (en) * | 2015-11-10 | 2019-05-07 | Panasonic Intellectual Property Management Co., Ltd. | Intercom system and communication method thereof |
| CN106060449A (en) * | 2016-07-15 | 2016-10-26 | 厦门理工学院 | Information transmission measurement and control system and method suitable for video intercom system |
| CN110087027A (en) * | 2019-04-09 | 2019-08-02 | 广西俊锦科技有限公司 | Novel safety defense monitoring system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113048615A (en) * | 2021-03-29 | 2021-06-29 | 珠海格力电器股份有限公司 | Air conditioning system, communication control method and device thereof, storage medium and processor |
| CN113048615B (en) * | 2021-03-29 | 2022-04-22 | 珠海格力电器股份有限公司 | Air conditioning system, communication control method and device thereof, storage medium and processor |
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