CN106094968B - Many ground controlling switch - Google Patents
Many ground controlling switch Download PDFInfo
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- CN106094968B CN106094968B CN201610420393.0A CN201610420393A CN106094968B CN 106094968 B CN106094968 B CN 106094968B CN 201610420393 A CN201610420393 A CN 201610420393A CN 106094968 B CN106094968 B CN 106094968B
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
- G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
- G05F1/10—Regulating voltage or current
- G05F1/625—Regulating voltage or current wherein it is irrelevant whether the variable actually regulated is ac or dc
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- Automation & Control Theory (AREA)
- Electronic Switches (AREA)
Abstract
A kind of many ground controlling switch, including single live wire unit, holding unit, anti-interference unit and many ground switch element, can be realized in unlimited multi-class traffics illuminating lamp or other electric equipments.The normal operating pulse signal that many ground controlling switch allows width to be more than setting passes through, positive burst pulse during the negative broad pulse of automatic fitration and the negative burst pulse during positive broad pulse, particularly quick-recovery filter capacity continuous positive burst pulse or negative narrow pulse interference signal can be filtered soon, eliminate the rising edge shake and trailing edge shake of switching pulse；Needing the positive burst pulse and negative burst pulse Breadth Maximum of filtering can be adjusted by changing positive charge time and reverse charging time respectively.Many ground controlling switches can as regular tap substitute products.
Description
Technical field
The present invention relates to a kind of controlling switch of electric equipment, especially a kind of many ground controlling switch.
Background technology
When requiring that lamp or other electrical equipment control more, at present conventional method one be use double control switch with
Double-point double-throw switch, field connection is complicated；Two be to use intelligent switch, and cost is high, and the MCU inside intelligent switch easily by
Easily there is uncontrolled misoperation in various interference effects, switch.
The content of the invention
In order to solve the problem of existing many ground controlling switches are present, the invention provides the controlling switch of ground more than one kind, including
Single live wire unit, holding unit, anti-interference unit and many ground switch element.
Single live wire unit includes single live wire power getting module and single live wire break-make control module, is provided with single live wire input
End, single fire wire output end, single live wire break-make control signal input and DC supply output end.
The holding unit is provided with single live wire break-make control signal output and control pulse input end；Single live wire
Break-make control signal output is connected to single live wire break-make control signal input.
The anti-interference unit is provided with control pulse output end and switching pulse input；The control pulse output end connects
It is connected to control pulse input end.
Many ground switch element is provided with switching pulse output end, and the switching pulse output end is connected to switching pulse
Input.
Single live wire break-make control module is made up of controllable AC switching circuit；The controllable AC switching circuit is by list
Single live wire break-make control signal control of live wire break-make control signal input input.
The single live wire power getting module has single live wire ON state current-taking function and OFF state current-taking function, for logical to single live wire
Disconnected control module and many ground switch element, holding unit, anti-interference unit provide DC supply；The DC supply
Ground terminal be single live wire break-make control module and many ground switch element, holding unit, anti-interference unit publicly.
Many ground switch element includes the self-resetting switch of 1 and 1 more parallel, output switch pulse.
The anti-interference unit includes positive charge-discharge circuit, reverse charge-discharge circuit, data selector.
The input signal of the positive charge-discharge circuit and reverse charge-discharge circuit is switching pulse；The data selector
For alternative data selector；Two data input pins of the data selector are respectively connecting to positive charge-discharge circuit, anti-
To the output end of charge-discharge circuit；The data output end of the data selector is control pulse ends；The data selector by
Pulse is controlled to carry out data selection control.
The positive charge-discharge circuit includes forward current driver, positive anti-interference capacitor, positive anti-interference Schmidt
Circuit；The input of the forward current driver is positive charge-discharge circuit input, and output is connected to positive anti-interference apply
Close special circuit input end；One end of the positive anti-interference capacitor is connected to positive anti-interference Schmidt circuit input, in addition
One end is connected to publicly either DC supply.
The reverse charge-discharge circuit includes reverse current driver, reversely reverse anti-interference capacitor, anti-interference Schmidt
Circuit；The input of the reverse current driver is the input of reverse charge-discharge circuit, and output is connected to reversely anti-interference
Schmidt circuit input；One end of the reverse anti-interference capacitor is connected to reverse anti-interference Schmidt circuit input, separately
Outer one end is connected to publicly either DC supply.
The positive anti-interference Schmidt circuit output end is positive charge-discharge circuit output end, reverse anti-interference Schmidt
Circuit output end is reverse charge-discharge circuit output end.
When the forward current driver input is high level, output end is that electric current drives and flows out driving current；It is described
When the input of forward current driver is low level, output end is that voltage drives and exports low level；The reverse current driver
When inputting as low level, output end is that electric current drives and flows out driving current；The reverse current driver input is high level
When, output end is that voltage drives and exports low level.
When being same phase relation between the data selector output signal and positive anti-interference Schmidt circuit input signal,
It is inverted relationship between data selector output signal and reversely anti-interference Schmidt circuit input signal；The data selector
When being inverted relationship between output signal and positive anti-interference Schmidt circuit input signal, data selector output signal with it is anti-
It is same phase relation between anti-interference Schmidt circuit input signal.
The specific method that the data selector carries out data selection control by control pulse is, when data selector output
Be between signal and positive anti-interference Schmidt circuit input signal same phase relation, data selector output signal with it is reversely anti-dry
Disturb when being inverted relationship between Schmidt circuit input signal, the low level control data selector selection of control pulse is positive anti-
The output signal of interference Schmidt circuit is sent to the output end of data selector, and the selection of high level control data selector is reversely anti-
The output signal of interference Schmidt circuit is sent to the output end of data selector；When data selector output signal and forward direction are anti-dry
Disturb defeated for inverted relationship, data selector output signal and reversely anti-interference Schmidt circuit between Schmidt circuit input signal
Enter between signal when being same phase relation, the reverse anti-interference Schmidt circuit of the low level control data selector selection of control pulse
Output signal be sent to the output end of data selector, high level control data selector selects positive anti-interference Schmidt circuit
Output signal be sent to the output end of data selector.
The positive narrow pulse width that the anti-interference unit can be filtered is controlled by changing the positive charge time, can
The negative narrow pulse width of filtering is controlled by changing the reverse charging time；The positive charge time is positive by changing
The outflow driving current size of current driver or the size of positive anti-interference capacitor are controlled；During the reverse charging
Between be controlled by changing the outflow driving current size of reverse current driver or the size of reverse anti-interference capacitor.
The beneficial effects of the invention are as follows：Many ground controlling switches can realize unlimited multi-class traffics illuminating lamp or its
His electric equipment；Allow the normal self-resetting switch pulse of width pass through, can automatic fitration bear broad pulse during just narrow arteries and veins
Punching and positive broad pulse during negative narrow pulse interference, by he ground control when because long transmission line produce High-frequency Interference pulse filter out；
Quick-recovery filter capacity it can filter continuous positive narrow pulse interference signal soon and continuously bear narrow pulse interference signal, elimination is opened
The rising edge shake and trailing edge shake of Guan pulse punching；Regular tap can be substituted.
Brief description of the drawings
Fig. 1 is many ground controlling switch example structure figure；
Fig. 2 is single circuit of live wire unit embodiment 1；
Fig. 3 is single circuit of live wire unit embodiment 2；
Fig. 4 is single circuit of live wire unit embodiment 3；
Fig. 5 is single circuit of live wire unit embodiment 4；
Fig. 6 is many ground switch element embodiment circuit；
Fig. 7 is anti-interference unit embodiment；
Fig. 8 is the waveform of anti-interference unit embodiment；
Fig. 9 is forward current driver and the circuit of reverse current driver embodiment 1；
Figure 10 is forward current driver and the circuit of reverse current driver embodiment 2；
Figure 11 is forward current driver and the circuit of reverse current driver embodiment 3.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described.
It is as shown in Figure 1 many ground controlling switch example structure figure, including single live wire unit 10, holding unit 20, anti-interference
Unit 30 and many ground switch element 40.
The switching pulse P1 of many ground switch element output is sent to anti-interference unit, and anti-interference unit is resisted to switching pulse P1
After interference processing, the control pulse M1 of output is sent to holding unit, and control pulse is triggered holding unit and state is protected
Hold after processing, single live wire break-make control signal G1 of output is sent to single live wire unit.
Single live wire unit includes single live wire power getting module and single live wire break-make control module, is provided with single live wire input
Hold AC, single fire wire output end AC1, list live wire break-make control signal input G1 and DC supply output end+VCC.Dan Huo
Line electricity-fetching module has single live wire ON state current-taking function and OFF state current-taking function, for single live wire break-make control module and many
Ground switch element, holding unit, anti-interference unit provide DC supply.The ground terminal of DC supply is single live wire break-make control
Molding block and many ground switch element, holding unit, anti-interference unit are publicly.
It is illustrated in figure 2 the circuit of single live wire unit embodiment 1.Single live wire power getting module includes single live wire voltage-stablizer U01
And its peripheral cell diode D51, electric capacity C01, electric capacity C02, inductance L01, inductance L02, and low-dropout regulator U02 and its
Peripheral cell electric capacity C03, electric capacity C04.In single live wire unit embodiment 1, single live wire voltage-stablizer U01 model MP-6V-02S,
Low-dropout regulator U02 model HT7350.
Single live wire input AC is the simulation of single live wire unit ground AGND, is connected to single live wire voltage-stablizer U01 alternating current
Press common port COM；Electric capacity C01 two ends are respectively connecting to single live wire voltage-stablizer U01 filter capacitor input FIL and alternating current
Press common port COM；Single live wire voltage-stablizer U01 VD GND ends be single live wire unit publicly, inductance L02
Two ends be respectively connecting to single live wire unit publicly with simulation ground；Diode D51, inductance L01 and electric capacity C02 composition half-waves
Current rectifying and wave filtering circuit, the input of halfwave rectifier filter circuit is connected to single fire wire output end AC1, output connection by diode D51
To single live wire voltage-stablizer U01 high direct voltage input HDC.Single live wire voltage-stablizer U01 be additionally provided with DC voltage output end VCC,
Alternating current pressure side AC.
Low-dropout regulator U02 input VIN is connected to single live wire voltage-stablizer U01 DC voltage output end VCC,
U01 DC voltage output end output DC voltage+VCC1；Low-dropout regulator U02 output end VOUT outputs+5V direct current work
Make power supply+VCC；Single live wire voltage-stablizer U01 ground terminal GND is connected to single live wire unit publicly；C04 points of electric capacity C03, electric capacity
Not Wei low-dropout regulator U02 input voltage, output voltage filter capacitor.
Single live wire break-make control module of single live wire unit embodiment 1 is bidirectional thyristor on-off circuit, is led to by single live wire
Disconnected control signal G1 control break-makes, including bidirectional thyristor V51, controllable silicon output optocoupler U51, resistance R51, resistance R52, resistance
R53.Controllable silicon exports optocoupler U51 for phase shift type, in single live wire unit embodiment 1, model MOC3053.
Bidirectional thyristor V51 two anode taps are respectively connecting to single fire wire output end AC1's and single live wire voltage-stablizer U01
Alternating current pressure side AC；Resistance R51 is connected in parallel on bidirectional thyristor V51 two anode taps；Controllable silicon output optocoupler U51 output can
Control silicon is connected with resistance R52, and its series arm is connected to the bidirectional thyristor V51 first anode and control pole；Controllable silicon is exported
Optocoupler U51 input light emitting diode is connected with resistance R53, and its series arm one end is connected to DC supply+VCC, separately
Outer one end is single live wire break-make control signal input G1.When single live wire break-make control signal G1 is low level, bidirectional thyristor
V51 is turned on, and the 1st way switch is ON state；When single live wire break-make control signal G1 is high level, bidirectional thyristor V51 cut-offs, the 1st
Way switch is OFF state.
In Fig. 2, when bidirectional thyristor V51 ends, filtered through diode D51 halfwave rectifier and inductance L01, electric capacity C02
Afterwards, the DC voltage for obtaining more than 300V delivers to single live wire voltage-stablizer U01 high direct voltage input HDC, single live wire voltage-stablizer
U01 exports DC voltage+VCC1 after DC/DC, realizes OFF state power taking.When bidirectional thyristor V51 is turned on, load current via
Single live wire voltage-stablizer U01 alternating current pressure side AC and alternating voltage common port COM conducting, single live wire voltage-stablizer U01 passes through load
Electric current carries out power taking, realizes ON state power taking, and electric capacity C01 is ON state power taking filter capacitor.Single live wire voltage-stablizer U01 ON state power takings are defeated
DC voltage+the VCC1 gone out is relevant with bearing power, i.e. the bigger output DC voltage+VCC1 of power accordingly increases.
It is illustrated in figure 3 the circuit of single live wire unit embodiment 2.The single live wire power getting module of single live wire unit embodiment 2
Structure ＆ working mechanism and single live wire unit embodiment 1 are just the same, including single live wire voltage-stablizer U01 and its pole of peripheral cell two
Pipe D51, diode D61, diode D71, electric capacity C01, electric capacity C02, inductance L01, inductance L02, and low-dropout regulator U02
And its peripheral cell electric capacity C03, electric capacity C04.
Single live wire break-make control module of single live wire unit embodiment 2 is relay switching circuit, by single live wire break-make control
Signal G1 processed controls break-make, including relay switch J54, relay coil J50, triode V50, diode D50, resistance R50,
Resistance R54.
Relay switch J54 two ends are respectively connecting to single fire wire output end AC1 and single live wire voltage-stablizer U01 alternating current
Pressure side AC；Resistance R54 is connected in parallel on relay switch J54 two ends；Relay coil J50 is triode V50 collector load,
Relay coil J50 power supply is the DC voltage+VCC1 that U01 output ends are exported；Diode D50 is relay coil
J50 fly-wheel diode；Resistance R50 is the current-limiting resistance of triode V50 base stages, the single live wire break-make control signal input of connection
G1 and triode V50 base stages.When single live wire break-make control signal G1 is high level, triode V50 conductings, relay coil J50
Obtain electric, relay switch J54 closures, the 1st way switch is ON state；When single live wire break-make control signal G1 is low level, triode
V50 ends, relay coil J50 dead electricity, and relay switch J54 disconnects, and the 1st way switch is OFF state.
In Fig. 3, when relay switch J54 disconnects, filtered through diode D51 halfwave rectifier and inductance L01, electric capacity C02
Afterwards, the DC voltage for obtaining more than 300V delivers to single live wire voltage-stablizer U01 high direct voltage input HDC, single live wire voltage-stablizer
U01 exports DC voltage+VCC1 after DC/DC, realizes OFF state power taking.When relay switch J54, which is closed, to be turned on, load current
Turned on via single live wire voltage-stablizer U01 alternating current pressure side AC and alternating voltage common port COM, single live wire voltage-stablizer U01 passes through
Load current carries out power taking, realizes ON state power taking, and electric capacity C01 is ON state power taking filter capacitor.Single live wire voltage-stablizer U01 ON states take
DC voltage+the VCC1 of electricity output is relevant with bearing power, i.e. the bigger output DC voltage+VCC1 of power accordingly increases.
It is illustrated in figure 4 the circuit of single live wire unit embodiment 3.Single live wire power getting module includes single live wire voltage-stablizer U05
And its peripheral cell electric capacity C05, electric capacity C06, inductance L05, diode D55, rectifier bridge U56, and low-dropout regulator U06 and
Its peripheral cell electric capacity C07, electric capacity C08.In single live wire unit embodiment 2, single live wire voltage-stablizer U05 model BSW-6V-
03S, low-dropout regulator U06 model HT7350.
It is defeated that single live wire voltage-stablizer U05 is provided with high direct voltage input HDC, VD ground terminal GND, DC voltage
Go out to hold VCC, ON state input dc power pressure side ACC, its VD GND be single live wire unit publicly.
Diode D55, inductance L05 and electric capacity C05 composition halfwave rectifier filter circuits, the input of halfwave rectifier filter circuit
Single fire wire output end AC1 is connected to by diode D55, output is connected to single live wire voltage-stablizer U05 high direct voltage input
HDC。
Low-dropout regulator U06 input VIN is connected to single live wire voltage-stablizer U05 DC voltage output end VCC,
U05 DC voltage output end output DC voltage+VCC2；Low-dropout regulator U06 output end VOUT outputs+5V direct current work
Make power supply+VCC；Electric capacity C07, electric capacity C08 are respectively low-dropout regulator U06 input voltage, output voltage filter capacitor.
Single live wire break-make control module of single live wire unit embodiment 2 is bidirectional thyristor on-off circuit, is led to by single live wire
Disconnected control signal G1 control break-makes, including bidirectional thyristor V55, controllable silicon output optocoupler U55, resistance R55, resistance R56, resistance
R57, voltage-stabiliser tube D56, voltage-stabiliser tube D57.Controllable silicon exports optocoupler U55 for phase shift type, in single live wire unit embodiment 3, U55 type
Number be MOC3023.
The bidirectional thyristor V55 first anode is connected to single fire wire output end AC1, second plate and is connected to single live wire input
Hold AC；Resistance R55 is connected in parallel on bidirectional thyristor V55 two anode taps；After voltage-stabiliser tube D56 and voltage-stabiliser tube D57 differential concatenations, one
End is connected to one end and a rectifier bridge U56 ac input end for controllable silicon output optocoupler U55 output controllable silicon, and in addition one
End is connected to bidirectional thyristor V55 control pole；The other end of controllable silicon output optocoupler U55 output controllable silicon is connected to double
To the IGCT V55 first anode；Rectifier bridge U56 another ac input end is connected to single live wire input AC；Resistance
R56 is connected in parallel on bidirectional thyristor V55 control pole and second plate；Controllable silicon output optocoupler U55 input light emitting diode with
Resistance R57 connects, and its series arm one end is connected to DC supply+VCC, and other end is single live wire break-make control signal
Input G1.When single live wire break-make control signal G1 is low level, bidirectional thyristor V55 conductings, the 1st way switch is ON state；It is single
When live wire break-make control signal G1 is high level, bidirectional thyristor V55 cut-offs, the 1st way switch is OFF state.
In Fig. 4, when bidirectional thyristor V55 ends, filtered through diode D55 halfwave rectifier and inductance L05, electric capacity C05
Afterwards, the DC voltage for obtaining more than 300V delivers to single live wire voltage-stablizer U05 high direct voltage input HDC, single live wire voltage-stablizer
U05 exports DC voltage+VCC2 after DC/DC, realizes OFF state power taking.
In Fig. 4, when switch is ON state, controllable silicon output optocoupler U55 output controlled silicon conducting, due to its trigger port
There are voltage-stabiliser tube D56, the voltage-stabiliser tube D57 of 2 differential concatenations, in alternating voltage zero-crossing but less than voltage-stabiliser tube D56, voltage-stabiliser tube D57
During on state threshold voltage, voltage-stabiliser tube D56, voltage-stabiliser tube D57 cut-off, bidirectional thyristor V55 cut-offs；Rectifier bridge U56 2 exchanges are defeated
Enter end and be connected to single fire wire output end AC1 and single live wire input AC via U55 output controllable silicon；Rectifier bridge U56 rectification
Output negative terminal is connected to publicly, and anode is connected to single live wire voltage-stablizer U05 ON state input dc power pressure side ACC, and realization is opened
State power taking；Electric capacity C06 is rectifier bridge U56 rectification output filter capacitor.Voltage reaches voltage-stabiliser tube after alternating voltage zero-crossing
When D56, voltage-stabiliser tube D57 on state threshold voltage, voltage-stabiliser tube D56, voltage-stabiliser tube D57 conducting, control bidirectional thyristor V55 turn on to
Load supplying.Therefore, single live wire unit embodiment 3 shown in Fig. 4 is when ON state powers to the load, load be obtain be not
Whole sine wave, but the alternating voltage for thering is certain phase shifting angle just to turn on.
It is illustrated in figure 5 the circuit of single live wire unit embodiment 4.Single live wire break-make control module exchanges for unidirectional thyristor
On-off circuit, is made up of diode D85, diode D86, diode D87, diode D88, unidirectional thyristor V85.Diode
D85, diode D86, diode D87, diode D88 composition single phase bridge type rectifier circus, its 2 ac input ends are respectively list
Live wire input AC, single fire wire output end AC1.The rectification output plus terminal of single phase bridge type rectifier circu is full-wave rectification end AD1, whole
Stream output negative terminal is publicly GND.Unidirectional thyristor V85 anode, negative electrode is respectively connecting to full-wave rectification end AD1, publicly.
Single live wire power getting module is DC/DC mu balanced circuits.In Fig. 5 embodiments, single live wire power getting mould is by DC/DC voltage-stablizers
U85, three terminal regulator U86, resistance R85, diode D89, electric capacity C85, electric capacity C86, electric capacity C87, electric capacity C88 compositions, DC/DC
Voltage-stablizer U85 model is that DY10, three terminal regulator U86 model are HT7250.Electric capacity C85, resistance R85, electric capacity C86 compositions
Filter circuit；The input of filter circuit is connected to diode D89 negative electrodes, output and is connected to DC/DC voltage-stablizer U85 inputs；Two
Pole pipe D89 anodes are connected to full-wave rectification end AD1；Three terminal regulator U86 inputs are connected to DC/DC voltage-stablizer U85 output ends,
The output of DC/DC voltage-stablizer U85 output ends is DC voltage+VCC3；Three terminal regulator U86 output ends be DC supply+
VCC；Electric capacity C87 is DC/DC voltage-stablizers U85 output filter capacitor, and electric capacity C88 is three terminal regulator U86 output filtered electrical
Hold.
HT7250 output+5V voltages.If the confession for the DC supply that DC/DC voltage-stablizers U85 output voltage is met
Electricity requires that three terminal regulator U86 can be omitted.DC/DC voltage-stablizers U85 is also an option that other have the control source of wide scope
The DC/DC voltage-stablizers of characteristic.
In Fig. 5 embodiments, unidirectional thyristor V85 trigger control circuit by triode V86, voltage-stabiliser tube V87, resistance R86,
Resistance R87, resistance R88, resistance R89 compositions；Voltage-stabiliser tube V87 anodes are connected to after triode V86 collector series resistances R86,
Voltage-stabiliser tube V87 negative electrodes are connected to full-wave rectification end AD1；Triode V86 emitter stages are connected to publicly through resistance R87；Triode
V86 base stages are respectively connecting to resistance R88, resistance R89 one end；Resistance R88 other end is connected to publicly；Triode
V86 transmittings extremely trigger signal output end, is connected to unidirectional thyristor V85 control poles；Resistance R89 other end is single live wire
Break-make control signal G1 inputs.
When single live wire break-make control signal G1 is low level, triode V86 cut-offs, unidirectional thyristor V85 cut-offs, all-wave
What rectifier terminal AD1 was obtained is the full wave voltage after 220V AC rectifications, and after electric capacity C85, resistance R85, electric capacity C86, DC/DC is steady
Depressor U85 inputs obtain the DC voltage more than 300V, and single live wire power getting module realizes OFF state power taking.
During AC power zero passage, unidirectional thyristor V85 shut-offs.When single live wire break-make control signal G1 is high level, because
Triode V85 colelctor electrodes are connected to full-wave rectification end AD1 via voltage-stabiliser tube V87, only when full-wave rectification end AD1 voltage is more than
Voltage-stabiliser tube V87 voltage stabilizing value, triode V85 is just turned on, and unidirectional thyristor V85 can just be triggered conducting.Full-wave rectification end AD1's
Voltage waveform is narrow voltage pulse, and its impulse amplitude is determined that its effect is for single live wire power getting mould by voltage-stabiliser tube V87 voltage stabilizing value
Block provides ON state supply voltage.Single live wire unit embodiment 4 is when ON state powers to the load, and load is that to obtain is not complete
Sine wave, but the alternating voltage for thering is certain phase shifting angle just to turn on.
Single live wire break-make control module of single live wire unit embodiment 1 is bidirectional thyristor on-off circuit；Single live wire unit
Single live wire break-make control module of embodiment 2 is relay switching circuit；Single live wire break-make control of single live wire unit embodiment 3
Module is bidirectional thyristor on-off circuit；Single live wire break-make control module of single live wire unit embodiment 4 is handed over for unidirectional thyristor
Flow on-off circuit.The bidirectional thyristor on-off circuit, relay switching circuit, unidirectional thyristor alternating current switching circuit are list
Controllable AC switching circuit in live wire break-make control module.
If load is non-inductive load, foregoing controllable silicon output optocoupler is also an option that zero cross fired type device
Part.
It is illustrated in figure 6 many ground switch element embodiment circuit of 3 self-resetting switch, including self-resetting switch S91,
Self-resetting switch S92, self-resetting switch S93, resistance R91, driver F91.3 self-resetting switch S91, self-resetting switch S92,
Self-resetting switch S93 is parallel relationship, and resistance R91 is pull-up resistor, self-resetting switch S91, self-resetting switch S92, Self-resetting
Switch S93, resistance R91 composition line and logic.Low level is exported when being pressed due to self-resetting switch, or operation is once exported
Negative switching pulse, so, it is or logical relation between the negative switching pulse of operation and output of 3 self-resetting switch.Driver F91
Driving force for improving switching pulse P1.Self-resetting switch S91, resistance R91, driver F91 and single live wire list in Fig. 6
Member, holding unit, the circuit of anti-interference unit are installed together, and load is controlled as local controlling switch.Self-resetting is opened
Close S92, self-resetting switch S93 and be separately mounted to two other place, be used as his ground controlling switch in controlling more；Control on his ground
Self-resetting switch in system switch is all connected in parallel on the self-resetting switch of local controlling switch by connecting line.When there is n runback
During bit switch, the local controlling switch of 1 conduct therein, with pull-up resistor (resistance R91), driver (driver F91), Dan Huo
Line unit, holding unit, the circuit of anti-interference unit are installed together, and load is controlled as local controlling switch；Other
N-1 self-resetting switch is all connected in parallel on the Self-resetting in local controlling switch as his ground controlling switch by connecting line
On switch.Self-resetting switch includes self-resetting button switch, Self-resetting rocker switch etc..
Holding unit is T ' triggers, and T ' triggers can use d type flip flop, JK flip-flop to constitute, or be entered with two
Counter processed etc. is realized.The input and output of T ' triggers are control pulse M1 and single live wire break-make control signal G1.
Anti-interference unit includes positive charge-discharge circuit, reverse charge-discharge circuit, data selector.
It is illustrated in figure 7 anti-interference unit embodiment.In embodiment, forward current driver, positive anti-interference capacitor, forward direction
Anti-interference Schmidt circuit is respectively current driver U11, electric capacity C11, Schmidt circuit F11, constitutes positive discharge and recharge electricity
Road；Reverse current driver, reverse anti-interference capacitor, reverse anti-interference Schmidt circuit are respectively current driver U21, electric capacity
C21, Schmidt circuit F21, constitute reverse charge-discharge circuit.Electric capacity C11 termination Schmidt circuit F11 input,
Other end is connected to publicly；Electric capacity C21 termination Schmidt circuit F21 input, other end is connected to public
Ground.P1 is switching pulse end, and M1 is control pulse ends.
In embodiment, data selector T11 is alternative data selector, two data input signals and output signal it
Between be all same phase relation, Schmidt circuit F11, Schmidt circuit F21 are respectively then with phase Schmidt circuit and anti-phase Schmidt
Circuit, is same phase relation, data selector between data selector T11 outputs and Schmidt circuit F11 input signals therefore
It is inverted relationship that T11, which is exported between Schmidt circuit F21 input signals,.Data selector T11 function is：When selection control
When holding A=0, Y=D1 is exported；When selecting control end A=1, Y=D2 is exported.Data selector T11 output end Y (i.e. pulses
Output end M1) data selector T11 selection control end A is connected directly to, when controlling pulse M1 for low level, control data choosing
The output signal A3 for selecting device T11 selection Schmidt circuits F11 is sent to the output end Y of data selector；It is high electricity to control pulse M1
Usually, control data selector T11 selects Schmidt circuit F21 output signal A4 to be sent to the output end Y of data selector.
Fig. 8 be anti-interference unit embodiment waveform, including switching pulse P1 and Schmidt circuit F11 output A3, Schmidt
Circuit F21 outputs A4, control pulse M1 waveform.In Fig. 7, when switching pulse P1 is maintained low level for a long time, A1 points are
Low level, Schmidt circuit F11 output A3 is low level；When switching pulse P1 is maintained high level for a long time, A1 points are
High level, A3 is high level.When switching pulse P1 becomes low level from high level, current driver U11 output A1 is immediately
Become low level current potential, A3 becomes low level from high level immediately.When switching pulse P1 becomes high level from low level, A1 electricity
Position because current driver U11 export driving current to electric capacity C11 charge and rise, when charging between reach on T1, A1 current potentials
When liter meets and exceeds Schmidt circuit F11 upper limit threshold voltage, A3 becomes high level from low level；When P1 positive pulse is wide
Degree is less than T1, and the charging interval is less than T1, and P1 becomes low electricity when A1 current potentials are not up to Schmidt circuit F11 upper limit threshold voltage
Flat, A1 current potentials are immediately turned into low level current potential, and A3 maintains low level state.In Fig. 8, P1 and A3 original state are low level.
Positive burst pulse 11, positive burst pulse 12, the width of positive burst pulse 13 are respectively less than T1, and A1 current potentials can not be charged to or close more than applying
Special circuit F11 upper limit threshold voltage, does not influence on A3 states；The width of P1 positive pulse 14 is more than T1, therefore, P1's
The rising edge of positive pulse 14 is crossed after time T1, and A3 is changed into high level from low level.The trailing edge of P1 positive pulse 14 makes A3 from height
Level is changed into low level, and the width of P1 positive pulse 15 is more than T1, after the rising edge of positive pulse 15 crosses time T1, and A3 is from low level
It is changed into high level.The trailing edge of P1 positive pulses 15 makes A3 be changed into low level from high level, P1 positive pulse 16, positive pulse 17, just
The width of pulse 18 is respectively less than T1, therefore, and positive pulse 16, positive pulse 17, positive pulse 18 do not influence on A3, and A3 maintains low level
State.The width of P1 positive pulse 19 is more than T1, after the rising edge of positive pulse 19 crosses time T1, and A3 is changed into high electricity from low level
It is flat.
In Fig. 7, when switching pulse P1 is maintained low level for a long time, A2 points are high level, and Schmidt circuit F21's is defeated
Go out A4 for low level；When switching pulse P1 is maintained high level for a long time, A2 points are low level, and A4 is high level.Work as switch
Pulse P1 from low level become high level when, current driver U21 output A2 is immediately turned into low level current potential, and A4 is immediately from low
Level becomes high level.When switching pulse P1 becomes low level from high level, the drive that A2 current potentials are exported by current driver U21
Streaming current charges to electric capacity C21 and risen, when charging between reach T2, the rising of A2 current potentials reaches the Schmidt circuit F21 upper limit
During threshold voltage, A4 becomes low level from high level；When P1 negative pulse width is less than T2, the charging interval is less than T2, A2 current potentials
When not rising the upper limit threshold voltage for reaching Schmidt circuit F21, P1 is to become high level, and A2 is immediately turned into low level current potential,
A4 maintains high level state.In Fig. 8, P1 and A4 original state are low level.The rising edge of P1 positive pulse 11 makes A4 from low
Level is changed into high level, and the width of P1 negative pulse 20 is more than T2, after the trailing edge of negative pulse 20 crosses time T2, and A4 is from high level
It is changed into low level.The rising edge of P1 positive pulse 12 makes A4 be changed into high level from low level, P1 negative pulse 20, negative pulse 21
Width is respectively less than T2, therefore, and negative pulse 20, negative pulse 21 do not influence on A4, and A4 maintains low level state.It is negative pulse 23, negative
Pulse 24, negative pulse 25, the width of negative pulse 26 are respectively less than T2, and A2 current potentials can not be charged to or higher than Schmidt circuit
F21 upper limit threshold voltage, does not influence on A4 states；The width of P1 negative pulse 27 is more than T2, therefore, in P1 negative pulse
27 trailing edge is crossed after time T2, and A4 is changed into low level from high level.In the rising edge of P1 negative pulse 27, A4 becomes from low level
For high level.
Schmidt circuit F11 output A3 switching pulse P1 be low level when keep low level, switching pulse P1 by
Low level is changed into after high level time T1 excessively and is just changed into high level.Schmidt circuit F21 output A4 is height in switching pulse P1
High level is kept during level, time T2 is crossed after switching pulse P1 is changed into low level from high level and is just changed into low level.In other words,
When A3 is high level, A4 must be high level；When A4 is low level, A3 must be low level.
In Fig. 8, A3, A4 original state are low level, and data selector T11 output Y is low level, data selection
Device T11 selects A3 as output Y and maintained in A3 for low level period.When A3 at edge 30 is changed into high level from low level
When, output Y is changed into high level, and data selector T11 selects A4 as output Y, and now A4 must be high level, maintain output Y
High level state.When A4 is changed into low level at edge 31 from high level, output Y is changed into low level, data selector T11 choosings
A3 is selected as output Y, now A3 must be low level, maintain output Y low level state.When A3 becomes at edge 32 from low level
During for high level, output Y is changed into high level, and data selector T11 selects A4 as output Y, and now A4 must be high level, dimension
Hold output Y high level state.
Anti-interference unit is by the burst pulse 11 in P1 signals, burst pulse 12, burst pulse 13, burst pulse 23, burst pulse 24, narrow arteries and veins
Punching 25, burst pulse 26 are all filtered out, and positive broad pulse 14 (including positive pulse 14, positive pulse 15, positive pulse 16, the and of positive pulse 17
Positive pulse 18, negative pulse 23, negative pulse 24, negative pulse 25, negative pulse 26 are disturbing pulse), negative broad pulse 27 can pass through, make
Occur corresponding positive broad pulse 28 and negative broad pulse 29 in M1 signals.The control same phases of pulse M1 and switching pulse P1, and export
Positive broad pulse 14 rising edge lag time T1, trailing edge lag time T2 of the rising edge of broad pulse 28 than input.
Positive pulse 11, positive pulse 12, positive pulse 13 be positive burst pulse, wherein positive pulse 11 be disturbing pulse, positive pulse 12,
Positive pulse 13 is continuous switch contact Vibrating pulse.Time T1 is the positive narrow pulse width of maximum that anti-interference unit can be filtered.
T1 is the positive charge time.The current driven device U11 of T1 outflow driving current size, current driver U11 low electricity
Ordinary telegram position, electric capacity C11 sizes, Schmidt circuit F11 upper limit threshold voltage joint effect.Under normal circumstances, T1 value is adjusted
It can be carried out by changing current driver U11 outflow driving current size and electric capacity C11 sizes.
Negative pulse 23, negative pulse 24, negative pulse 25, negative pulse 26, wherein negative pulse 23 be disturbing pulse, negative pulse 24,
Negative pulse 25, negative pulse 26 are continuous switch contact Vibrating pulse.Time T2 bears narrow for the maximum that anti-interference unit can be filtered
Pulse width.T2 is the reverse charging time.The current driven device U21 of T2 outflow driving current size, current driver
U21 low level current potential, electric capacity C21 sizes, Schmidt circuit F21 upper limit threshold voltage joint effect.Under normal circumstances, adjust
Whole T2 value can be carried out by changing current driver U21 outflow driving current size and electric capacity C21 sizes.
In Fig. 7, electric capacity C11 connects one end publicly can be with reconfiguration in Schmidt circuit F11, Schmidt circuit F21
Power supply end, i.e. reconfiguration are in DC supply+VCC；Similarly, electric capacity C21 connect one end publicly can also individually or
Person together with electric capacity C11 reconfiguration in DC supply+VCC.
In Fig. 7, Schmidt circuit F11, Schmidt circuit F21 can also simultaneously or separately select anti-phase Schmidt's electricity
Road, can also be simultaneously or separately inverted relationship between data selector T11 input D1, D2 and output Y.When Schmidt's electricity
Road F11, Schmidt circuit F21 simultaneously or separately select anti-phase Schmidt circuit, data selector T11 input D1, D2 with
, it is necessary to meet following condition, i.e., when being simultaneously or separately inverted relationship between output Y：When data selector T11 exports Y
When being same phase relation between the positive charge-discharge circuit input signals of Schmidt circuit F11, data selector T11 exports Y with applying
It is inverted relationship between close special circuit F21 input signals；Now Y low level control selection Schmidt circuit F11 output is sent
To data selector T11 output end, Y high level control selections Schmidt circuit F21 output is sent to data selector T11
Output end.When it is inverted relationship that data selector T11, which is exported between Y and Schmidt circuit F11 input signals, data selection
It is same phase relation that device T11, which is exported between Y and Schmidt circuit F21 input signals,；Now Y low level control selection Schmidt is electric
Road F21 output is sent to data selector T11 output end, and Y high level control selections Schmidt circuit F11 output is sent to
Data selector T11 output end.
Fig. 9 is forward current driver and the circuit of reverse current driver embodiment 1.Open-drain output driven in phase device F12,
Resistance R11 constitutes forward current driver.When P1 is low level, driven in phase device F12 outputs A1 is low level；P1 is high level
When, driven in phase device F12 is open-drain output, and power supply+VCC flows out driving current through resistance R11.
Open-drain output rp-drive F22, resistance R21 constitute reverse current driver.When P1 is high level, anti-phase driving
Device F22 outputs A2 is low level；When P1 is low level, rp-drive F22 is open-drain output, and power supply+VCC flows through resistance R21
Go out driving current.
Driven in phase device F12, rp-drive F22 can select various open collectors, the integrated circuit of open-drain.
Figure 10 is forward current driver and the circuit of reverse current driver embodiment 2.Triode V21, resistance R22, electricity
R23 composition reverse current drivers are hindered, when P1 is high level, triode V21 saturation conductions, reverse current driver exports A2 and is
Low level；When P1 is low level, triode V21 cut-offs, power supply+VCC flows out driving current through resistance R22.
Triode V11, triode V12, resistance R12, resistance R13, resistance R14 composition forward current drivers, P1 is low
During level, triode V12 cut-offs, triode V11 saturation conductions, forward current driver output A1 is low level；P1 is high electricity
Usually, triode V12 saturation conductions, triode V11 cut-offs, power supply+VCC flows out driving current through resistance R12.Three in Figure 10
The negative circuit of pole pipe V12, resistance R14 composition can also be substituted with other phase inverters.
In Figure 10, the outflow driving current that forward current driver and reverse current driver are provided not is constant size
Driving current.
Figure 11 is forward current driver and the circuit of reverse current driver embodiment 3.Triode V25, triode V26,
Voltage-stabiliser tube D25, resistance R25, resistance R26 composition reverse current drivers, wherein, triode V26, voltage-stabiliser tube D25, resistance R25
Constitute reverse constant-current circuit.When P1 is high level, triode V25 saturation conductions, reverse current driver output A2 is low level；
When P1 is low level, triode V25 cut-offs, power supply+VCC flows out constant current driving current through triode V26.
Triode V15, triode V16, triode V17, voltage-stabiliser tube D15, resistance R15, resistance R16, resistance R17 compositions are just
To current driver, wherein, triode V16, voltage-stabiliser tube D15, the positive constant-current circuit of resistance R15 compositions.When P1 is low level, three
Pole pipe V17 ends, triode V15 saturation conductions, and forward current driver output A1 is low level；When P1 is high level, three poles
Pipe V17 saturation conductions, triode V15 cut-offs, power supply+VCC flows out constant current driving current through triode V16.Three poles in Figure 11
The negative circuit of pipe V17, resistance R17 composition can also be substituted with other phase inverters.
The positive anti-interference Schmidt circuit, reversely anti-interference Schmidt circuit are Schmidt circuit, input signal
For the voltage on electric capacity, it is therefore desirable to which Schmidt circuit has high input impedance charcteristic.Schmidt circuit can select have height
Cmos schmitt phase inverter CD40106,74HC14 of input impedance characteristic, or selection have high input impedance charcteristic
The devices such as cmos schmitt NAND gate CD4093,74HC24.Cmos schmitt phase inverter or cmos schmitt NAND gate it is upper
Limit threshold voltage is the fixed value related to device.Constituted with schmitt inverter or Schmidt's NAND gate with phase Schmidt electricity
Road behind schmitt inverter or Schmidt's NAND gate, it is necessary to increase one-level phase inverter.
Schmidt circuit is also an option that using operational amplifier to constitute, and Schmidt's electricity is constituted using operational amplifier
Road can neatly change upper limit threshold voltage, lower limit threshold voltage.Similarly, Schmidt's electricity is constituted using operational amplifier
, it is necessary to using structure and circuit with high input impedance charcteristic during road.
Data selector can select the devices such as 74HC151,74HC152,74HC153, CD4512, CD4539 to constitute two choosings
One data selector, can also constitute alternative data selector with gate circuit.
When being operated to self-resetting switch, normal contact chatter time is less than 20ms, and normal switching pulse is wide
Degree is not less than 100ms；Interval between operating twice will not also be less than 100ms.Self-resetting switch in his ground controlling switch is complete
Portion is all connected in local controlling switch by long connecting line, it is possible to produce High-frequency Interference pulse.Anti-interference unit allows width
The undersuing that positive pulse and width more than T1 are more than T2 passes through, therefore, T1, T2 span be 20ms extremely
100ms, can be effectively by switch contact shaking interference and the circuit High-frequency Interference of his ground control when representative value takes 50ms
Pulse is filtered out.
Claims (9)
1. a kind of many ground controlling switch, it is characterised in that：
Including single live wire unit, holding unit, anti-interference unit and many ground switch element；
Single live wire unit includes single live wire power getting module and single live wire break-make control module, be provided with single live wire input,
Single fire wire output end, single live wire break-make control signal input and DC supply output end；
The holding unit is provided with single live wire break-make control signal output and control pulse input end；Single live wire break-make
Control signal output is connected to single live wire break-make control signal input；
The anti-interference unit is provided with control pulse output end and switching pulse input；The control pulse output end is connected to
Control pulse input end；
Many ground switch element is provided with switching pulse output end, and the switching pulse output end is connected to switching pulse input
End；
The anti-interference unit includes positive charge-discharge circuit, reverse charge-discharge circuit, data selector；
The input signal of the positive charge-discharge circuit and reverse charge-discharge circuit is switching pulse；
The data selector is alternative data selector；Two data input pins of the data selector are respectively connecting to
The output end of positive charge-discharge circuit, reverse charge-discharge circuit；
The data output end of the data selector is control pulse ends；The data selector carries out data choosing by control pulse
Select control.
2. many ground controlling switch according to claim 1, it is characterised in that：Single live wire break-make control module is by controllable
Alternating current switching circuit is constituted；Single live wire that the controllable AC switching circuit is inputted by single live wire break-make control signal input leads to
Disconnected control signal control.
3. many ground controlling switch according to claim 1, it is characterised in that：The single live wire power getting module has single live wire
ON state current-taking function and OFF state current-taking function, for single live wire break-make control module and many ground switch element, holding unit,
Anti-interference unit provides DC supply；The ground terminal of the DC supply is single live wire break-make control module and opened more
Close unit, holding unit, anti-interference unit publicly.
4. many ground controlling switch according to claim 1, it is characterised in that：Many ground switch element includes 1 and 1
The self-resetting switch of more parallel, output switch pulse.
5. many ground controlling switch according to any one of claim 1-4, it is characterised in that：The positive discharge and recharge electricity
Road includes forward current driver, positive anti-interference capacitor, positive anti-interference Schmidt circuit；The forward current driver
Input is positive charge-discharge circuit input, and output is connected to positive anti-interference Schmidt circuit input；It is described positive anti-
One end of interference capacitors is connected to positive anti-interference Schmidt circuit input, and other end is connected to publicly either direct current
Working power；
The reverse charge-discharge circuit includes reverse current driver, reversely reverse anti-interference capacitor, anti-interference Schmidt circuit；
The input of the reverse current driver is the input of reverse charge-discharge circuit, and output is connected to reverse anti-interference Schmidt
Circuit input end；One end of the reverse anti-interference capacitor is connected to reverse anti-interference Schmidt circuit input, other end
Be connected to publicly either DC supply；
The positive anti-interference Schmidt circuit output end is positive charge-discharge circuit output end, reverse anti-interference Schmidt circuit
Output end is reverse charge-discharge circuit output end.
6. many ground controlling switch according to claim 5, it is characterised in that：The forward current driver input is high electricity
Usually, output end is that electric current drives and flows out driving current；When the forward current driver input is low level, output end is
Voltage drives and output low level；When the reverse current driver input is low level, output end is that electric current drives and flowed out
Driving current；When the reverse current driver input is high level, output end is that voltage drives and exports low level.
7. many ground controlling switch according to claim 6, it is characterised in that：The data selector output signal and forward direction
When being same phase relation between anti-interference Schmidt circuit input signal, data selector output signal and reverse anti-interference Schmidt
It is inverted relationship between circuit input signal；The data selector output signal is believed with positive anti-interference Schmidt circuit input
It is same phase between data selector output signal and reverse anti-interference Schmidt circuit input signal when being inverted relationship between number
Relation.
8. many ground controlling switch according to claim 7, it is characterised in that：The data selector is carried out by control pulse
The specific method of data selection control is, when data selector output signal and positive anti-interference Schmidt circuit input signal it
Between be same phase relation, data selector output signal and between anti-interference Schmidt circuit input signal be reversely inverted relationship
When, the low level control data selector of control pulse selects the output signal of positive anti-interference Schmidt circuit to be sent to data choosing
The output end of device is selected, the output signal of the reverse anti-interference Schmidt circuit of high level control data selector selection is sent to data choosing
Select the output end of device；When between data selector output signal and positive anti-interference Schmidt circuit input signal be inverse correlation
When being same phase relation between system, data selector output signal and reverse anti-interference Schmidt circuit input signal, pulse is controlled
The output signal of the reverse anti-interference Schmidt circuit of low level control data selector selection be sent to the output of data selector
End, high level control data selector selects the output signal of positive anti-interference Schmidt circuit to be sent to the output of data selector
End.
9. many ground controlling switch according to claim 6, it is characterised in that：The just narrow arteries and veins that the anti-interference unit can be filtered
Width is rushed by changing the positive charge time to be controlled, the negative narrow pulse width that can be filtered is by changing during reverse charging
Between be controlled；The positive charge time is by changing the outflow driving current size or forward direction of forward current driver
The size of anti-interference capacitor is controlled；Outflow of the reverse charging time by changing reverse current driver drives electricity
The size of size or reverse anti-interference capacitor is flowed to be controlled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610420393.0A CN106094968B (en) | 2016-06-15 | 2016-06-15 | Many ground controlling switch |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610420393.0A CN106094968B (en) | 2016-06-15 | 2016-06-15 | Many ground controlling switch |
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| CN106094968B true CN106094968B (en) | 2017-10-27 |
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|---|---|---|---|---|
| CN2785261Y (en) * | 2005-04-19 | 2006-05-31 | 昌亮 | Switch circuit using several switches to control one electric appliance |
| CN2894090Y (en) * | 2006-01-26 | 2007-04-25 | 昌亮 | Multi-point control contact switch |
| US7486106B1 (en) * | 2006-03-24 | 2009-02-03 | Altera Corporation | CPLD for multi-wire keyboard decode with timed power control circuit |
| CN103746682A (en) * | 2013-12-14 | 2014-04-23 | 青岛歌尔声学科技有限公司 | Multi-control switching circuit and multi-control switch equipped with same |
| CN104869707A (en) * | 2015-05-08 | 2015-08-26 | 湖南工业大学 | Single-live line multi-LED lamp brightness remote control circuit |
| CN105450203A (en) * | 2015-11-13 | 2016-03-30 | 得理电子(上海)有限公司 | Interference filtering device and interference filtering method for rapid on-off mechanical switches |
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2016
- 2016-06-15 CN CN201610420393.0A patent/CN106094968B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2785261Y (en) * | 2005-04-19 | 2006-05-31 | 昌亮 | Switch circuit using several switches to control one electric appliance |
| CN2894090Y (en) * | 2006-01-26 | 2007-04-25 | 昌亮 | Multi-point control contact switch |
| US7486106B1 (en) * | 2006-03-24 | 2009-02-03 | Altera Corporation | CPLD for multi-wire keyboard decode with timed power control circuit |
| CN103746682A (en) * | 2013-12-14 | 2014-04-23 | 青岛歌尔声学科技有限公司 | Multi-control switching circuit and multi-control switch equipped with same |
| CN104869707A (en) * | 2015-05-08 | 2015-08-26 | 湖南工业大学 | Single-live line multi-LED lamp brightness remote control circuit |
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