CN109819568B - Multi-level corresponding multi-channel signal transmission system based on two lines - Google Patents
Multi-level corresponding multi-channel signal transmission system based on two lines Download PDFInfo
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- 230000008054 signal transmission Effects 0.000 title claims abstract description 22
- 230000001105 regulatory effect Effects 0.000 claims abstract description 32
- 239000002131 composite material Substances 0.000 claims abstract description 23
- 230000005669 field effect Effects 0.000 claims description 9
- 238000000926 separation method Methods 0.000 claims description 5
- 230000000087 stabilizing effect Effects 0.000 claims description 4
- 230000003111 delayed effect Effects 0.000 claims description 2
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- 230000006978 adaptation Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
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Abstract
According to the two-wire-based multi-level corresponding multi-channel signal transmission system, the voltage regulating module converts the input power supply into the signal level, the signal processing unit sequences the input signals and outputs the electric signals, the voltage regulating module sequentially outputs the signal level according to the electric signals to form the composite voltage, and the analysis module analyzes the composite voltage and then regulates and drives the load.
Description
Technical Field
The present invention relates to a signal transmission system, and more particularly, to a two-wire-based multi-level corresponding multi-channel signal transmission system.
Background
In order to realize light change, the existing light control system needs to encode and transmit an input signal, a load end decodes the input signal after receiving the signal to realize a working mode of regulating and controlling a load, and when a plurality of input signals are transmitted, a plurality of channels are required to be corresponding, so that the integration level of the light control system is higher, and improvement needs to be provided for reducing the wiring cost of a building.
Disclosure of Invention
The invention provides a multi-level corresponding multi-channel signal transmission system based on two lines, which is used for simultaneously receiving and sequencing a plurality of input signals through a voltage regulating module and outputting signal levels which can be directly applied to a load according to the input signals.
The invention provides a multi-level corresponding multi-channel signal transmission system based on two wires, which is used for simultaneously transmitting a plurality of input signals and comprises an input power supply, a voltage regulating module and at least one analysis module, wherein the input power supply is connected with the power supply input end of the voltage regulating module through a positive wire and a negative wire, the input signals are input from the signal input end of the voltage regulating module through signal wires, the composite output end of the voltage regulating module is connected with the composite input end of the analysis module through a load and signal wire and the negative wire, the voltage regulating module comprises a signal processing unit, a reference voltage unit, a plurality of signal level units and a switching device corresponding to the signal level units, the input power supply is converted into a reference voltage from the reference voltage unit or is converted into a signal level from the signal level unit, the signal processing unit is used for processing the input signals to enable the input signals to be delayed and sequenced, converting the input signals into electric signals required by the conduction of the switching devices, outputting the electric signals through a signal output port, the signal level unit is connected with the reference voltage unit in parallel through the switching devices, the electric signals control the switching devices to be conducted at different time, the composite output end of the voltage regulating module outputs composite voltage containing reference voltage and signal level, the analyzing module comprises a signal-to-electricity separation unit and a plurality of level discrimination units connected in parallel, the signal-to-electricity separation unit analyzes the composite voltage to obtain the reference voltage and the signal level, the reference voltage provides electric energy for a load, the level discrimination unit discriminates the signal level, and if the signal level has a level segment matched with the level set by the level discrimination unit, taking the matched signal level segment and driving the load.
Preferably, the voltage regulating module further comprises a voltage stabilizing unit for receiving the input power and outputting a constant voltage direct current.
Preferably, the analyzing module is further provided with a driving circuit, and the driving circuit is used for amplifying the signal level and driving and regulating the load.
Preferably, the switching device includes, but is not limited to, a MOS field effect transistor, an input end of which is connected to the signal level unit, an output end of which is connected in parallel to the reference voltage unit, and a control end of which is connected to the signal processing unit, and the MOS field effect transistor is driven to be turned on by the electrical signal.
Preferably, the signal processing unit performs delay sequencing on the input signals according to the input time of the input signals.
According to the two-wire-based multi-level corresponding multi-channel signal transmission system, the voltage regulating module converts the input power supply into the signal level, the signal processing unit sequences the input signals and outputs the electric signals, the voltage regulating module sequentially outputs the signal level according to the electric signals to form the composite voltage, and the analyzing module analyzes the composite voltage and then regulates and drives the load.
Drawings
Fig. 1 is a schematic logic structure diagram of a two-wire-based multi-level corresponding multi-channel signal transmission system according to a first embodiment of the present invention;
fig. 2 is a schematic logic structure diagram of a two-wire-based multi-level corresponding multi-channel signal transmission system according to a second embodiment of the present invention;
fig. 3 is a schematic logic structure diagram of a two-wire-based multi-level corresponding multi-channel signal transmission system according to a third embodiment of the present invention.
Detailed Description
The two-wire-based multi-level corresponding multi-channel signal transmission system provided by the invention is further described below with reference to the accompanying drawings, and it should be pointed out that only one optimized technical scheme is used for describing the technical scheme and the design principle of the invention in detail.
Referring to fig. 1, 2 and 3, the two-wire-based multi-level corresponding multi-channel signal transmission system provided by the present invention includes an input power source 1, a voltage regulating module 2 and a plurality of analyzing modules 6 for simultaneously transmitting a plurality of input signals.
Referring to fig. 1, in the two-wire-based multi-level corresponding multi-channel signal transmission system according to the first embodiment of the present invention, the input power source 1 is connected to the power input end of the voltage regulation module 2 through a positive wire and a negative wire, the input signals 31, 32, 33 are input from the signal input end of the voltage regulation module 2 through signal wires, and a composite output end of the voltage regulation module 2 is connected to the composite input end of the analysis module 6 through a load and signal wire and a negative wire.
The voltage regulating module 2 comprises a signal processing unit 4, a reference voltage unit 24, signal level units 21, 22 and 23 and switching devices 26, 27 and 28 corresponding to the signal level units, the input power supply 1 is converted into a reference voltage by the reference voltage unit 24 or is converted into a signal level by the signal level units 21, 22 and 23, the signal processing unit 4 is used for processing the input signals 31, 32 and 33 to enable the input signals to be in time delay sequence according to input time, converting the input signals into electric signals 41, 42 and 43 required by the switching devices to be conducted, outputting the electric signals through signal output ports, the signal level units 21, 22 and 23 are respectively connected with the reference voltage unit 24 in parallel through the switching devices 26, 27 and 28, and the electric signals 41, 42 and 43 respectively control the switching devices 26, 27 and 28 to be conducted in different time, so that a composite output end of the voltage regulating module 2 outputs composite voltages containing the reference voltage and the signal level.
The analyzing module 6 includes a signal-to-electricity separating unit 61 and a plurality of level discrimination units 62, 63, 64 connected in parallel, the signal-to-electricity separating unit 61 analyzes the composite voltage, and since the signal processing unit 4 does not change the width, frequency, etc. of the input signals 31, 32, 33, the composite voltage is stabilized to obtain a reference voltage to be output to a load during analysis, and a signal level higher or lower than the reference voltage is output to a level discrimination circuit, the reference voltage supplies electric power to the loads 65, 66, 67, the level discrimination units 62, 63, 64 discriminate the signal level, and if the signal level has a level section matched with the level set by the level discrimination units 62, 63, 64, the matched signal level section is taken and the loads 65, 66, 67 are driven respectively, and the signal level is not required to be converted into a control signal or an electric signal form to control.
In order to improve the operation stability of the system, the voltage regulating module 2 further comprises a voltage stabilizing unit 5 for receiving the input power source 1 and outputting a constant voltage direct current.
In order to prevent that the signal level outputted by the signal level unit 21, 22, 23 is insufficient to drive the load 65, 66, 67, the analyzing module 6 is further provided with a driving circuit for amplifying the signal level and driving and regulating the load 65, 66, 67.
In addition, in the first embodiment, the switching devices 26, 27, 28 include, but are not limited to, MOS field effect transistors, the input ends of which are respectively connected to the signal level units 21, 22, 23, the output ends of which are respectively connected in parallel to the reference voltage unit 24, and the control ends of which are respectively connected to the output ends of the electrical signals 41, 42, 43 of the 4-signal processing unit, and the MOS field effect transistors are driven to be turned on by the electrical signals 41, 42, 43.
The two-wire-based multi-level corresponding multi-channel signal transmission system processes input signals 31, 32 and 33 through a signal processing unit 4, sequences the input signals, and outputs electric signals 41, 42 and 43, the electric signals respectively control switching devices 26, 27 and 28 to be conducted so as to realize signal level output by signal level units 21, 22 and 23 of a voltage regulating module, level discrimination units 62, 63 and 64 of an analysis module 6 acquire matched signal levels corresponding to the output of the signal level units 21, 22 and 23 through discrimination, and the signal levels are used for driving and regulating loads 65, 66 and 67 so as to realize corresponding control of a plurality of loads by single-wire multi-level output.
Referring to fig. 2, unlike other embodiments, the control logic of the load is built in the MCU of the signal processing unit, and the electrical signal is directly generated by the signal processing unit 4.
Referring to fig. 3, unlike other embodiments of the two-wire-based multi-level corresponding multi-channel signal transmission system according to the third embodiment of the present invention, the multi-level corresponding multi-channel signal transmission system further includes a plurality of parsing modules 7, input signals 34, 35, 36, electrical signals 44, 45, 46, switching devices 29, 210, 211, and the voltage regulating module 2 further includes a reference voltage unit 25, wherein the parsing modules 7 include a signal-to-electricity separation unit 71, level discrimination circuits 72, 73, 74, and loads 75, 76, 77, the input signals 34, 35, 36 correspond to the electrical signals 44, 45, 46, the electrical signals 44, 45, 46 correspond to the switching devices 29, 210, 211, so as to realize selective output of the signal level units 22, 23, 24 and the reference voltage unit 25, the parsing modules 6 obtain the composite voltages output by the reference voltage unit 24 and the signal level units 21, 22, 23, and the composite voltages output by the reference voltage unit 25 and the signal level units 21, 22, 23, and the composite voltages output by the parsing modules 7 can be further expanded to control the different load demands based on the embodiment.
Further, the signal processing unit 4 includes a microprocessor and is a micro control circuit.
The implementation of the signal level units 21, 22, 23 in the voltage regulation module 2 may be embodied as signal levels with different voltage values, which are regulated by a series resistor after the input power is stabilized by a voltage stabilizing circuit.
The multi-level corresponding multi-channel signal transmission system based on the two wires is easy to implement, has strong expansibility and universality, reduces wiring cost, and can be widely used in building systems.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that the above-mentioned preferred embodiment should not be construed as limiting the invention, and the scope of the invention should be defined by the appended claims. It will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the spirit and scope of the invention, and such modifications and adaptations are intended to be comprehended within the scope of the invention.
Claims (4)
1. The multi-level corresponding multi-channel signal transmission system based on two wires is used for simultaneously transmitting a plurality of input signals and comprises an input power supply, a voltage regulating module and at least one analysis module, and is characterized in that the input power supply is connected with the power supply input end of the voltage regulating module through a positive wire and a negative wire, the input signals are input from the signal input end of the voltage regulating module through signal wires, and a composite output end of the voltage regulating module is connected with the composite input end of the analysis module through a load and signal wire and the negative wire; the voltage regulating module comprises a signal processing unit, at least one reference voltage unit, a plurality of signal level units and switching devices corresponding to the signal level units, wherein the input power supply is converted into a reference voltage from the reference voltage unit or converted into a signal level from the signal level units, the signal processing unit is used for processing the input signals to enable the input signals to be delayed and sequenced, converting the input signals into electric signals required by the switching devices to be conducted, the electric signals are output through a signal output port, the signal level units are connected with the reference voltage units in parallel through the switching devices, and the electric signals control the switching devices to be conducted at different times, so that a composite output end of the voltage regulating module outputs composite voltage comprising the reference voltage and the signal level; the voltage regulating module further comprises a voltage stabilizing unit which is used for receiving the input power supply and outputting constant-voltage direct current;
the analysis module comprises a signal-to-electricity separation unit and a plurality of level discrimination units which are mutually connected in parallel, the signal-to-electricity separation unit analyzes the composite voltage to obtain reference voltage and signal level, the reference voltage provides electric energy for a load, the level discrimination unit discriminates the signal level, if the signal level has a level section matched with the level set by the level discrimination unit, the matched signal level section is taken, the load is driven and regulated, and the analysis module is further provided with a driving circuit which is used for amplifying the signal level, driving and regulating the load.
2. The two-wire-based multi-level corresponding multi-channel signal transmission system according to claim 1, wherein the switching device comprises, but is not limited to, a MOS field effect transistor, an input end of the MOS field effect transistor is connected with the signal level unit, an output end of the MOS field effect transistor is connected with the reference voltage unit in parallel, and a control end of the MOS field effect transistor is connected with the signal processing unit, and the MOS field effect transistor is driven to be conducted through the electric signal.
3. The two-wire based multi-level counterpart multi-channel signal transmission system of claim 1, wherein said signal processing unit time-delays ordering said input signals according to their input times.
4. The two-wire based multi-level counterpart multi-channel signal transmission system of claim 1, wherein said signal processing unit comprises a microprocessor.
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