CN106773850A - A kind of signal selecting circuit - Google Patents
A kind of signal selecting circuit Download PDFInfo
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- CN106773850A CN106773850A CN201611163002.8A CN201611163002A CN106773850A CN 106773850 A CN106773850 A CN 106773850A CN 201611163002 A CN201611163002 A CN 201611163002A CN 106773850 A CN106773850 A CN 106773850A
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- 238000004519 manufacturing process Methods 0.000 description 4
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
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Abstract
The present invention relates to a kind of signal selecting circuit, including local control panel, local input loop, remote control panel, remote input loop, RS latch and gate circuit；The local control panel is connected with local input loop, the remote control panel is connected with remote input loop, the input of the local input loop and remote input loop with the RS latch is connected, and the output end of the RS latch is connected with the gate circuit.By the present invention in that being capable of achieving local control and the remote control of equipment with the overlap joint of the hardware such as RS latch and gate circuit, when locally controlling, local automatic, remote auto is realized, is automatically selected and is manually selected four kinds of control functions；During remote control, remote auto open and close control function is realized；The demand simply controlled the carrying out of equipment can be met by the switching of above control function, it is not necessary to program, it is easy to operate with and later maintenance.
Description
Technical field
The present invention relates to technical field of electric control, and in particular to a kind of signal selecting circuit.
Background technology
Electrical Control Technology is commonly utilized in various productions, manufacturing, and existing electrical control is main (can by PLC
Programmable controller) or single chip circuit complete, operating personnel press control button, PLC or single-chip microcomputer are according to storage inside
Program, is processed the signal of control button and is outputed signal to upstream device, performs corresponding action.This mode due to
Input Software program is needed in PLC or single chip circuit production and after-sales service, when PLC or single-chip microcomputer hardware, programming software, journey
When the upgrading of the software and hardwares such as sequence, line program, corrupted loss, spare part purchase cycle long and the source of goods out of stock, operational difficulties after sale are caused,
The problems such as production and after-sales service high cost.
The content of the invention
The present invention is in view of the shortcomings of the prior art, there is provided a kind of signal selecting circuit, the device need not be programmed, tool
The characteristics of having simple structure, easy to maintenance, low cost.
The technical scheme that the present invention solves above-mentioned technical problem is as follows：A kind of signal selecting circuit, including local chain of command
Plate, local input loop, remote control panel, remote input loop, RS latch and gate circuit；
The local control panel is connected with local input loop, and the remote control panel connects with remote input loop
Connect, the input of the local input loop and remote input loop with the RS latch is connected, the RS latch
Output end is connected with the gate circuit；
RS latch receives the local control panel and selects letter by the first control model that local input loop is input into
Number, the first control model selection signal includes automatic mode signal or manual mode signal, and to automatic mode signal and
Manual mode signal is interlocked；
In the case where the first control model is automatic mode, RS latch receives the local control panel by local
Second control model selection signal of input circuit, the second control model selection signal include local automatic control signal or
Remote auto control signal, and local automatic control signal and remote auto control signal are interlocked,
The second control model for it is local automatically in the case of, RS latch is receiving the feelings of local automatic control signal
Generated by gate circuit under condition and automatic control signal and exported；
In the case where the second control model is defined as remote auto, RS latch receives remote control panel by long-range
The remote auto ON signal or remote auto OFF signal of input circuit input, and letter is closed to remote auto ON signal and remote auto
Number interlocking, and automatic control signal and exported receiving to be generated by gate circuit in the case that remote auto is opened, also in reception
To stopping output control automatically signal in the case of remote auto OFF signal；
In the case where the first control model is defined as manual mode, RS latch is receiving the feelings of manual mode signal
Generated by gate circuit under condition and manual control signal and exported.
The beneficial effects of the invention are as follows：The local control of equipment is capable of achieving by using the overlap joint of RS latch and gate circuit
System and remote control, when locally controlling, realize local automatic, remote auto, automatically select and manually select four kinds of control functions；
During remote control, remote auto open and close control function is realized；Can meet to enter equipment by the switching of above control function
The demand of the simple control of row, it is not necessary to program, it is easy to operate with and later maintenance.
On the basis of above-mentioned technical proposal, the present invention can also do following improvement.
Further, the local input loop includes connection plug-in unit A, electric capacity C11, electric capacity C12, the electricity of local control panel
Hold C13, electric capacity C14, resistance row RN1 and resistance row RN2；
1 end of the connection plug-in unit A is connected with one end of resistance row RN1, is also connected with one end of resistance row RN1 by electric capacity C11
Connect, one end of RN1 is arranged at 2 ends of the connection plug-in unit A with resistance, is also connected with one end of resistance row RN1 by electric capacity C12, the company
3 ends of connector A are grounded by hindering row RN2, are also connected with one end of resistance row RN2 by electric capacity C13, and the 4 of the connection plug-in unit A
Hold and be connected with one end of resistance row RN2, be also connected with one end of resistance row RN2 by electric capacity C14, resistance row RN1's and resistance row RN2 is another
End ground connection.
Further, remote input loop includes connection plug-in unit B, electric capacity C15, electric capacity C16 and the resistance row of remote control panel
RN3；
14 ends of the connection plug-in unit B are connected with one end of resistance row RN3, are also connected with one end of resistance row RN3 by electric capacity C15
Connect, 15 ends of plug-in unit B are connected with one end of resistance row RN3, are also connected with one end of resistance row RN3 by electric capacity C16, resistance row RN3's
The other end is grounded, the 16 ends connection power supply of plug-in unit B.
Further, also including start acquiescence circuit, the start acquiescence circuit is connected with the RS latch, for opening
During machine automatic mode signal and local automatic control signal are exported to RS latch；The RS latch is according to automatic mode signal
The first control model is determined for automatic mode, and the second control model is determined for local automatic according to local automatic control signal,
By gate circuit generation automatic control signal and exported under the triggering of local automatic control signal.
Beneficial effect using above-mentioned further scheme is：Default conditions when start is set be it is automatic, local automatic, just
Determine open state in operating personnel.
Further, the start acquiescence circuit also exports remote auto OFF signal in start to RS latch.
Further, the start acquiescence circuit includes power supply VCC, electric capacity C17, resistance R13, diode D1, diode D2
With diode D3；It is grounded after the power supply VCC, electric capacity C17 and resistance R13 series connection, the diode D1, diode D2 and two poles
Accessed in the middle of electric capacity C17 and resistance R13 after the anode connection of pipe D3, negative electrode is connected with RS latch respectively.
Further, also including local output loop and local indicator lamp, one end and the RS of the local output loop
Latch and/or the gate circuit are connected, and the other end is connected with local indicator lamp, and RS latch is receiving the automatic mode
When signal, manual mode signal, local automatic control signal, remote auto control signal, drive corresponding local indicator lamp bright,
Or drive corresponding local indicator lamp bright by gate circuit.
Beneficial effect using above-mentioned further scheme is：Operating personnel are facilitated to judge current state according to indicator lamp.
Further, the local output loop includes the connection plug-in unit D of local control panel and resistance row RN4；RS latch
When the automatic mode signal, manual mode signal, local automatic control signal, remote auto control signal is received, according to
It is secondary to drive corresponding local indicator lamp bright by hindering row RN4 and connection plug-in unit D, or pass sequentially through gate circuit, resistance row RN4 and connection
Plug-in unit D drives corresponding local indicator lamp bright.
Further, also including long-range output loop and long-range indicator lamp, one end and the RS of the long-range output loop
Latch and/or the gate circuit are connected, and the other end is connected with long-range indicator lamp, and RS latch is receiving the remote auto
When ON signal or remote auto OFF signal, drive corresponding long-range indicator lamp bright, or remotely refer to by the way that gate circuit driving is corresponding
Show that lamp is bright.
Further, the long-range output loop includes the connection plug-in unit B and resistance R11, R12 of remote control panel；RS locks
Storage drives corresponding when the remote auto ON signal or remote auto OFF signal is received, respectively by resistance R11 and R12
Long-range indicator lamp it is bright, or drive corresponding long-range indicator lamp bright by gate circuit and resistance R11, or by gate circuit and resistance
R12 drives corresponding long-range indicator lamp bright.
Brief description of the drawings
Fig. 1 is the schematic block diagram of the signal selecting circuit that the embodiment of the present invention 1 is provided；
Fig. 2 is the schematic block diagram of the signal selecting circuit that the embodiment of the present invention 2 is provided；
Fig. 3 is the illustrative circuitry structure chart of start acquiescence circuit provided in an embodiment of the present invention；
Fig. 4 is the schematic block diagram of the signal selecting circuit that the embodiment of the present invention 3 is provided；
Fig. 5 is the schematic block diagram of the signal selecting circuit that the embodiment of the present invention 4 is provided
Fig. 6 is the circuit diagram of signal selecting circuit provided in an embodiment of the present invention.
In accompanying drawing, the list of parts representated by each label is as follows：
1st, local input loop, 2, start acquiescence circuit, 3, remote input loop, 4, long-range output loop, 5, local defeated
Go out loop.
Specific embodiment
Principle of the invention and feature are described below in conjunction with accompanying drawing, example is served only for explaining the present invention, and
It is non-for limiting the scope of the present invention.
Fig. 1 gives a kind of schematic block diagram of signal selecting circuit of the offer of the embodiment of the present invention 1.Such as Fig. 1 institutes
Show, the signal selecting circuit includes local control panel, local input loop, remote control panel, remote input loop, RS locks
Storage and gate circuit；
The local control panel is connected with local input loop, and the remote control panel connects with remote input loop
Connect, the input of the local input loop and remote input loop with the RS latch is connected, the RS latch
Output end is connected with the gate circuit；
The RS latch is received the local control panel and is selected by the first control model that local input loop is input into
Signal is selected, the first control model selection signal includes automatic mode signal or manual mode signal, and automatic mode is believed
Number and manual mode signal interlocking；
In the case where the first control model is automatic mode, RS latch receives the local control panel by local
Second control model selection signal of input circuit, the second control model selection signal include local automatic control signal or
Remote auto control signal, and local automatic control signal and remote auto control signal are interlocked,
The second control model for it is local automatically in the case of, RS latch is receiving the feelings of local automatic control signal
Generated by gate circuit under condition and automatic control signal and exported；
In the case where the second control model is defined as remote auto, RS latch receives remote control panel by long-range
The remote auto ON signal or remote auto OFF signal of input circuit input, and letter is closed to remote auto ON signal and remote auto
Number interlocking, and automatic control signal and exported receiving to be generated by gate circuit in the case that remote auto is opened, also in reception
To stopping output control automatically signal in the case of remote auto OFF signal；
In the case where the first control model is defined as manual mode, RS latch is receiving the feelings of manual mode signal
Generated by gate circuit under condition and manual control signal and exported.
Specifically, in the present embodiment, local control panel and remote control panel are operated using thin film switch.
The signal selecting circuit can be realized to the local control of upstream device and remote control, when locally controlling, realize this
Ground is automatic, remote auto, automatically select and manually select four kinds of control functions；During remote control, remote auto open and close control is realized
Function processed；The demand simply controlled the carrying out of equipment can be met by the switching of above control function, and need not be programmed,
Easily operated use and later maintenance.
Alternatively, as shown in fig. 6, the local input loop 1 includes connection plug-in unit A, the electric capacity of local control panel
C11, electric capacity C12, electric capacity C13, electric capacity C14, resistance row RN1 and resistance row RN2；1 end of the connection plug-in unit A and the one of resistance row RN1
End connection, one end for also arranging RN1 with resistance by electric capacity C11 is connected, 2 ends and one end of resistance row RN1 of the connection plug-in unit A, goes back
It is connected with one end of resistance row RN1 by electric capacity C12,3 ends of the connection plug-in unit A are grounded by hindering row RN2, also by electric capacity
C13 be connected with one end of resistance row RN2, and one end that RN2 is arranged in 4 ends of the connection plug-in unit A with resistance is connected, also by electric capacity C14 and
The other end ground connection of one end connection of resistance row RN2, resistance row RN1 and resistance row RN2.
Alternatively, as shown in fig. 6, remote input loop 3 includes connection plug-in unit B, electric capacity C15, the electricity of remote control panel
Hold C16 and resistance row RN3；14 ends of the connection plug-in unit B are connected with one end of resistance row RN3, also by electric capacity C15 and resistance row RN3
One end connection, 15 ends of plug-in unit B be connecteds with one end of resistance row RN3, are also connected with the one end for arranging RN3 is hindered by electric capacity C16, resistance
Arrange the other end ground connection of RN3, the 16 ends connection power supply of plug-in unit B.
Alternatively, as one embodiment of the present of invention, as shown in Fig. 2 on the basis of embodiment 1, signal behavior electricity
Road also includes start acquiescence circuit, and the start acquiescence circuit is connected with the RS latch, for being latched to RS in start
Device exports automatic mode signal and local automatic control signal；The RS latch determines the first control according to automatic mode signal
Pattern is automatic mode, and the second control model is determined locally automatically, locally to automatically control according to local automatic control signal
Generated by gate circuit under the triggering of signal and automatic control signal and exported.
Specifically, in this embodiment, default conditions during start are " automatic ", " local automatic ", now, signal choosing
Circuit downstream equipment output control automatically signal is selected, default conditions when facilitating operating personnel to confirm to start shooting.
Alternatively, in this embodiment, start acquiescence circuit also closes letter in start to RS latch output remote auto
Number.
Specifically, the signal selecting circuit gives tacit consent to remote auto off status in start, so, remote auto is being switched to
When, it is necessary to operating personnel's selection start is automatic when opening, upstream device could be opened, it is to avoid it is potential dangerous.
Alternatively, in the above-described embodiments, the illustrative circuitry structure chart of start acquiescence circuit, start are illustrated in figure 3
Acquiescence circuit includes power supply VCC, electric capacity C17, resistance R13, diode D1, diode D2 and diode D3.Power supply VCC, electric capacity
It is grounded after C17 and resistance R13 series connection, electric capacity C17 and electricity is accessed after the anode connection of diode D1, diode D2 and diode D3
In the middle of resistance R13, negative electrode is connected with RS latch respectively.
Alternatively, as one embodiment of the present of invention, as shown in figure 4, the signal selecting circuit also includes local output
Loop and local indicator lamp, one end of the local output loop are connected with the RS latch and/or the gate circuit, another
End is connected with local indicator lamp, and RS latch is receiving the automatic mode signal, manual mode signal, locally automatically controlling
When signal, remote auto control signal, drive corresponding local indicator lamp bright, or local accordingly instruction is driven by gate circuit
Lamp is bright.
It should be understood that in this embodiment, indicator lamp is used for the current state of indication signal selection circuit, can conveniently operate
Personnel are according to the current state of indicator lamp decision circuitry.
Alternatively, in this embodiment, as shown in fig. 6, the local output loop 5 includes the connection of local control panel
Plug-in unit D and resistance row RN4；RS latch is receiving the automatic mode signal, manual mode signal, is locally automatically controlling letter
Number, remote auto control signal when, pass sequentially through resistance row RN4 and connection plug-in unit D and drive corresponding local indicator lamp bright, or successively
Drive corresponding local indicator lamp bright by gate circuit, resistance row RN4 and connection plug-in unit D.
Alternatively, as one embodiment of the present of invention, as shown in figure 5, the signal selecting circuit also includes long-range output
Loop and long-range indicator lamp, one end of the long-range output loop are connected with the RS latch and/or the gate circuit, another
End is connected with long-range indicator lamp, and RS latch drives when the remote auto ON signal or remote auto OFF signal is received
Corresponding long-range indicator lamp is bright, or drives corresponding long-range indicator lamp bright by gate circuit.
Alternatively, in this embodiment, as shown in fig. 6, the long-range output loop 4 includes the connection of remote control panel
Plug-in unit B, resistance R11 and resistance R12；RS latch when the remote auto ON signal or remote auto OFF signal is received,
Drive corresponding long-range indicator lamp bright by resistance R11 and R12 respectively, or driven by gate circuit and resistance R11 corresponding remote
Journey indicator lamp is bright, or drives corresponding long-range indicator lamp bright by gate circuit and resistance R12.
Alternatively, as one embodiment of the present of invention, Fig. 6 is the circuit diagram of signal selecting circuit, as shown in fig. 6, letter
Number selection circuit include local control panel (summary), local input loop 1, remote control panel (summary), start shooting give tacit consent to circuit 2,
Remote input loop 3, long-range output loop 4, gate circuit U1, RS latch U2, gate circuit U2, signal output connection plug-in unit C and
Local output loop 5, be wherein mounted in local control panel and remote control panel " automatic ", " manual ", " locally oneself
It is dynamic " and " remote auto " reset switch and corresponding indicator lamp, it is provided with remote control panel " remote auto is opened " and " long-range
It is automatic to close " reset switch and " upper automatically control selected " and " upper remote auto is selected " indicator lamp.
The control function that the signal selecting circuit is realized is as follows：
First, the boot-strap circuit course of work
During start, VCC is by C17, then the anode of input D1, D2 and D3 respectively, is then exported to U2 (4) from the negative electrode of D1
End, exports to U2 (6) ends from the negative electrode of D2, is exported to U2 (11) ends from the negative electrode of D3, U2 (2) ends, U2 (9) ends is equal to " 1 ",
U2 (10) ends are equal to " 0 ", complete the setting of start default conditions.U2 (2) ends are through RN4 (1) ends and the bright local control of D (1) end points
Panel " automatic " lamp；U2 (2) ends to U1 (6) ends, U2 (9) ends make U1 (4) hold end output " 1 ", U1 (4) ends warp to U1 (5) ends
RN4 (3) holds and bright local control " local automatic " lamp of D (2) end points；U2 (2) ends make U3 (3) hold output " 0 " to pass through to U3 (2) ends end
RN4 (7) holds and local control panel " manual " lamp is extinguished at D (4) ends；It is defeated that U2 (2) ends hold U1 (3) through U1 (1) ends and U1 (2) ends
Go out " 1 " signal, then be " 1 " (forbidding manually) through C (2) outputs " manual control signal ".U2 (9) ends make U3 (4) to U3 (5) ends
End output " 0 ", makes U1 (10) hold output " 0 " through U1 (9) ends, and local control is extinguished in U1 (10) ends through RN4 (5) ends and D (3) ends end
Panel " remote auto " lamp；Extinguish remote control panel " upper remote auto is selected " lamp, U1 (10) ends warp through R11 in U1 (10) ends
U1 (12) ends make U1 (11) hold output " 0 " to be held to U3 (8) ends to U3 (9) ends, U1 (4) makes U3 (10) hold output " 0 ", U3 (10) ends
It is " 1 " (automatically controlling unlatching), U3 (11) warps through C (1) outputs " automatic control signal " U3 (11) is held output " 1 " to U3 (12)
R12 and B (5) ends end points bright remote control panel " upper automatically control selected " lamp.
2nd, under stable state of starting shooting, the circuit course of work after " remote auto " reset switch is pressed
Under stable state of starting shooting, local control panel " remote auto " reset switch is pressed, VCC passes through " remote auto "
Reset switch makes U2 (9) through C13, RN2 (1) end (3) end correspondence resistance loop node 13 to U2 (7) end end again after holding end to A (3)
End output " 0 ", U2 (9) ends make U3 (4) hold end to export " 1 " through U3 (5) makes U1 (10) hold output " 1 ", U1 (10) through U1 (9) ends again
Through RN4 (5) ends and B (3) ends end points bright local control panel " remote auto " lamp, U1 (10) ends are through R11 and B (4) ends end points at end
" upper remote auto is selected " lamp of bright remote control panel.U2 (10) ends are equal to " 0 " to U1 (13) ends, U1 (10) ends to U1
(12) make U1 (11) hold output " 0 " to arrive U3 (9) again to hold, U2 (9) ends make U1 (4) hold end output " 0 " again through RN4 (3) through U1 (5) ends
Local control panel " local automatic " lamp is extinguished at end and D (2) ends, and U1 (4) ends to U3 (8) make U3 (10) export " 1 " again through U3
(12) U3 (11) is exported " 0 ", U3 (11) ends through R12 to B (5) ends extinguishing remote control panel " upper automatically control selected "
Lamp, U3 (11) ends are " 0 " (automatically controlling stopping, waiting remote auto to open) through C (1) outputs " automatic control signal ".Press this
Ground control panel " local automatic " reset switch, VCC by local control panel " local automatic " reset switch, A (2) and C12,
RN1 (5) holds resistance loop node 12 corresponding with RN1 (7) ends to be held to U2 (6), U2 (9) is held output " 1 ", and circuit returns to start
Default conditions.
3rd, under " automatic " and " remote auto " state, the circuit of Push switch panel B " remote auto is opened " reset switch
The course of work
Under " automatic " and " remote auto " state, remote control panel " remote auto is opened " reset switch, VCC warps are pressed
Cross " remote auto is opened " reset switch and B (2) ends and arrive U2 through the node 15 of C15, RN3 (1) end (3) end correspondence resistance loop again
(12) end makes U2 (10) hold output " 1 ", and U2 (10) ends make U1 (11) hold output " 1 ", U1 (11) ends to U3 (9) ends through U1 (13) ends
Make U3 (10) hold output " 0 " to hold U3 (11) through U3 (12) ends again and export " 1 ", U3 (11) lights remote control through R12 and B (5)
" upper automatically control selected " lamp on panel, U3 (11) ends be that " 1 " (unlatching is upper through C (1) ends output " automatic control signal "
Remote auto control).Now, " remote auto pass " reset switch on remote control panel is pressed, VCC passes through " remote auto
Closing " reset switch is held through B (3) and C16, RN3 (5) end resistance loop node 16 corresponding with RN3 (7) ends make U2 to U2 (11) ends
(10) end output " 0 ", returns to higher level " two ", i.e. " automatic ", " remote auto ", " upper to automatically control pass " state.
4th, under " automatic " state, the circuit course of work of " manual " reset switch is pressed
Under " automatic " state, local control panel " manual " reset switch is pressed, VCC is passed through by " manual " reset switch
A (4) ends and C14, RN2 (5) and RN2 (7) correspondences resistance loop node 14 to U2 (3) ends end make U2 (2) hold output " 0 ", U2 (2)
Local control panel " automatic " lamp is extinguished in end through RN4 (1) ends and D (1) ends end, and U2 (2) ends export U1 (3) through U1 (1) (2)
(0) it is " 0 " (opened manually) to export " manual control signal " through C (2) again, and U2 (2) ends are held by U1 (6) holds U1 (4)
Output " 0 " extinguishes local control panel " local automatic " lamp through RN4 (3) and D (2) ends again, and U2 (2) is held at end by U1 (8) and makes U1
(10) end output " 0 " is held through RN4 (5) and local control panel " remote auto " lamp is extinguished at D (3) ends.U1 (10) is held through R11 and B
(4) " upper remote auto selected state indicator lamp " is extinguished at end, and U1 (10) ends make U1 (11) hold output " 0 ", U1 through U1 (12) ends
(11) end makes U3 (10) ends output " 1 " U3 (11) is held output through U3 (12) ends again to U3 (9) ends and U1 (4) ends to U3 (8) ends
" upper the automatically control selected " lamp on remote control panel is extinguished at " 0 ", U3 (11) ends through R12 and B (5) ends, and U3 (11) is through C
(1) end output " automatic control signal " is " 0 " (automatically controlling locked).Under " manual " state, press " automatic " reset and open
Close, VCC is held by panel " automatic " reset switch through A (1) and C11, RN1 (1) (3) hold correspondence resistance loop node 11 to U2
(6) end makes U2 (2) hold output " 1 ", returns to former " automatic " state, i.e., original " local automatic " or " remote auto " state.
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all it is of the invention spirit and
Within principle, any modification, equivalent substitution and improvements made etc. should be included within the scope of the present invention.
Claims (10)
1. a kind of signal selecting circuit, it is characterised in that including local control panel, local input loop, remote control panel,
Remote input loop, RS latch and gate circuit；
The local control panel is connected with local input loop, and the remote control panel is connected with remote input loop, institute
State the input of local input loop and remote input loop with the RS latch to be connected, the output end of the RS latch
It is connected with the gate circuit；
The RS latch receives the local control panel and selects letter by the first control model that local input loop is input into
Number, the first control model selection signal includes automatic mode signal or manual mode signal, and to automatic mode signal and
Manual mode signal is interlocked；
In the case where the first control model is automatic mode, RS latch receives the local control panel and passes through local input
The second control model selection signal in loop, the second control model selection signal includes local automatic control signal or long-range
Automatic control signal, and local automatic control signal and remote auto control signal are interlocked,
The second control model for it is local automatically in the case of, RS latch is in the case where local automatic control signal is received
Automatic control signal is generated by gate circuit and is exported；
In the case where the second control model is defined as remote auto, RS latch receives remote control panel and passes through remote input
The remote auto ON signal or remote auto OFF signal of loop input, and it is mutual to remote auto ON signal and remote auto OFF signal
Lock, and automatic control signal and exported receiving to be generated by gate circuit in the case that remote auto is opened, also receiving far
Stop output control automatically signal in the case of Cheng Zidong OFF signals；
In the case where the first control model is defined as manual mode, RS latch is in the case where manual mode signal is received
Manual control signal is generated by gate circuit and is exported.
2. signal selecting circuit according to claim 1, it is characterised in that the local input loop includes local control
The connection plug-in unit A of panel, electric capacity C11, electric capacity C12, electric capacity C13, electric capacity C14, resistance row RN1 and resistance row RN2；
1 end of the connection plug-in unit A is connected with one end of resistance row RN1, is also connected with one end of resistance row RN1 by electric capacity C11, institute
2 ends of connection plug-in unit A and one end of resistance row RN1 are stated, is also connected with one end of resistance row RN1 by electric capacity C12, the connection plug-in unit
3 ends of A are grounded by hindering row RN2, also be connecteds with one end of resistance row RN2 by electric capacity C13,4 ends of the connection plug-in unit A and are hindered
One end connection of RN2 is arranged, is also connected with one end of resistance row RN2 by electric capacity C14, another termination of resistance row RN1 and resistance row RN2
Ground.
3. signal selecting circuit according to claim 1, it is characterised in that remote input loop includes remote control panel
Connection plug-in unit B, electric capacity C15, electric capacity C16 and resistance row RN3；
14 ends of the connection plug-in unit B are connected with one end of resistance row RN3, are also connected with one end of resistance row RN3 by electric capacity C15,
15 ends of plug-in unit B are connected with one end of resistance row RN3, are also connected with one end of resistance row RN3 by electric capacity C16, and resistance row RN3's is another
End ground connection, the 16 ends connection power supply of plug-in unit B.
4. signal selecting circuit according to claim 1, it is characterised in that also including start acquiescence circuit, the start
Acquiescence circuit is connected with the RS latch, for exporting automatic mode signal and local automatic control to RS latch in start
Signal processed；
The RS latch determines the first control model for automatic mode according to automatic mode signal, according to locally automatically controlling letter
Number determine that the second control model for local automatic, is automatically controlled under the triggering of local automatic control signal by gate circuit generation
Signal is simultaneously exported.
5. signal selecting circuit according to claim 4, it is characterised in that the start acquiescence circuit in start also to
RS latch exports remote auto OFF signal.
6. signal selecting circuit according to claim 5, it is characterised in that the start acquiescence circuit include power supply VCC,
Electric capacity C17, resistance R13, diode D1, diode D2 and diode D3；
It is grounded after the power supply VCC, electric capacity C17 and resistance R13 series connection, the diode D1, diode D2 and diode D3's
Accessed in the middle of electric capacity C17 and resistance R13 after anode connection, negative electrode is connected with RS latch respectively.
7. the signal selecting circuit according to claim any one of 1-6, it is characterised in that also including local output loop and
Local indicator lamp, one end of the local output loop be connected with the RS latch and/or the gate circuit, the other end with
Ground indicator lamp connection, RS latch receive the automatic mode signal, manual mode signal, local automatic control signal,
During remote auto control signal, drive corresponding local indicator lamp bright, or drive corresponding local indicator lamp bright by gate circuit.
8. signal selecting circuit according to claim 7, it is characterised in that the local output loop includes local control
The connection plug-in unit D and resistance row RN4 of panel；
RS latch is receiving the automatic mode signal, manual mode signal, local automatic control signal, remote auto control
During signal processed, pass sequentially through resistance row RN4 and connection plug-in unit D and drive corresponding local indicator lamp bright, or pass sequentially through gate circuit, resistance
Row RN4 and connection plug-in unit D drive corresponding local indicator lamp bright.
9. the signal selecting circuit according to claim any one of 1-6, it is characterised in that also including long-range output loop and
Long-range indicator lamp, one end of the long-range output loop is connected with the RS latch and/or the gate circuit, the other end with it is remote
Journey indicator lamp is connected, and RS latch drives corresponding when the remote auto ON signal or remote auto OFF signal is received
Long-range indicator lamp is bright, or drives corresponding long-range indicator lamp bright by gate circuit.
10. signal selecting circuit according to claim 9, it is characterised in that the long-range output loop includes long-range control
Connection plug-in unit B, the resistance R11 and resistance R12 of panel processed；
RS latch when the remote auto ON signal or remote auto OFF signal is received, respectively by resistance R11 and R12
Drive corresponding long-range indicator lamp bright, or drive corresponding long-range indicator lamp bright by gate circuit and resistance R11, or by door electricity
Road and resistance R12 drive corresponding long-range indicator lamp bright.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611163002.8A CN106773850A (en) | 2016-12-15 | 2016-12-15 | A kind of signal selecting circuit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611163002.8A CN106773850A (en) | 2016-12-15 | 2016-12-15 | A kind of signal selecting circuit |
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| Publication Number | Publication Date |
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| CN106773850A true CN106773850A (en) | 2017-05-31 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611163002.8A Pending CN106773850A (en) | 2016-12-15 | 2016-12-15 | A kind of signal selecting circuit |
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| CN (1) | CN106773850A (en) |
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