CN106774064A - A kind of conveyer belt depositing dust control device - Google Patents
A kind of conveyer belt depositing dust control device Download PDFInfo
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- CN106774064A CN106774064A CN201611163009.XA CN201611163009A CN106774064A CN 106774064 A CN106774064 A CN 106774064A CN 201611163009 A CN201611163009 A CN 201611163009A CN 106774064 A CN106774064 A CN 106774064A
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- 239000000428 dust Substances 0.000 title claims abstract description 36
- 238000000151 deposition Methods 0.000 title claims abstract description 32
- 238000006243 chemical reaction Methods 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 8
- 230000005611 electricity Effects 0.000 claims description 7
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- 230000000875 corresponding effect Effects 0.000 description 21
- 238000010586 diagram Methods 0.000 description 10
- 230000001276 controlling effect Effects 0.000 description 8
- 230000009286 beneficial effect Effects 0.000 description 4
- 238000001514 detection method Methods 0.000 description 4
- 238000003860 storage Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
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- 238000012423 maintenance Methods 0.000 description 2
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- 239000004568 cement Substances 0.000 description 1
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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
- G05B19/048—Monitoring; Safety
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Abstract
The present invention relates to a kind of conveyer belt depositing dust control device, including power supply circuit, signal selection module, solenoid-driven control module, driving circuit for electromagnetic valve, first sensor and second sensor；The power supply circuit is connected with signal selection module, solenoid-driven control module and driving circuit for electromagnetic valve, the signal selection module, first sensor and second sensor are connected with the input of solenoid-driven control module, and the output end of the solenoid-driven control module is connected with driving circuit for electromagnetic valve.The present invention can automatic magnetic valve carry out depositing dust operation, high degree of automation reduces the work load of operating personnel, and can realize local and remote free switching control.
Description
Technical field
The present invention relates to technical field of electric control, and in particular to a kind of conveyer belt depositing dust control device.
Background technology
In the factory and enterprises such as power plant, harbour, mining, cement, easily produced when using conveyer belt transferring raw material a large amount of
Dust, has had a strong impact on the environment of Active workings and surrounding area.Device for reducing dust can be realized in conveyer belt transferring raw material pair
Scene carries out depositing dust.But existing depositing dust control device is main right to complete by PLC (Programmable Logic Controller) or single chip circuit
The control of dust falling device, operating personnel press control button, PLC or single-chip microcomputer according to internally stored program, to control button
Signal processed and outputed signal to dust falling device, perform corresponding action.This mode is due to PLC or single chip circuit
Input Software program is needed in production and after-sales service, when PLC or single-chip microcomputer hardware, programming software, program, line program etc. are soft or hard
When part upgrading, corrupted loss, spare part purchase cycle long and the source of goods out of stock, operational difficulties after sale, production and after-sales service are caused
The problems such as high cost.
The content of the invention
It is an object of the invention to provide a kind of conveyer belt depositing dust control device, the control device is detected by sensor
Current conveyer belt state, automatic magnetic valve carries out depositing dust operation, and high degree of automation reduces the work of operating personnel
Burden, and local and remote free switching control can be realized.
The technical scheme that the present invention solves above-mentioned technical problem is as follows：Including power supply circuit, signal selection module, magnetic valve
Drive control module, driving circuit for electromagnetic valve, first sensor and second sensor；
The power supply circuit is connected with signal selection module, solenoid-driven control module and driving circuit for electromagnetic valve, institute
State signal selection module, first sensor and second sensor to be connected with the input of solenoid-driven control module, the electricity
The output end of magnet valve drive control module is connected with driving circuit for electromagnetic valve；
The power supply circuit, for being the signal selection module, solenoid-driven control module and solenoid-driven electricity
Road；
The first sensor, for detecting whether conveyer belt position has material；
The second sensor, for detecting whether conveyer belt is kept in motion；
The signal selection module, for exporting manual control signal to solenoid-driven control module or automatically controlling letter
Number；
The solenoid-driven control module, for receiving during the manual control signal, receives the hand of outside input
Dynamic operation signal, the driving circuit for electromagnetic valve drive magnetic valve action is controlled according to the manual operating signal；It is additionally operable to
When receiving the automatic control signal, the testing result according to first sensor and second sensor controls the magnetic valve to drive
Dynamic circuit drives electromagnetism valve events.
The beneficial effects of the invention are as follows：Whether the control device sets first sensor to detect on current conveyer belt have
Material, further, since conveyer belt will not produce a large amount of dusts when static, the device also sets up second sensor detection conveyer belt is
It is no to be kept in motion, when detect transmission with material when and the when of being kept in motion automatic magnetic valve carries out depositing dust work
Industry, high degree of automation reduces the work load of operating personnel, and being capable of energy saving.
On the basis of above-mentioned technical proposal, the present invention can also do following improvement.
Further, the power supply circuit includes Illuminated Switch, protection circuit, transformer and AC-DC conversion module；It is described
Illuminated Switch is connected with the input of protection circuit, and the output end of the protection circuit is straight with the input of transformer and friendship respectively
Flow the input connection of modular converter, output end and the driving circuit for electromagnetic valve connection of the transformer, the AC-DC conversion
Output end and solenoid-driven the control module connection of module.
Further, the first sensor and second sensor are ultrasonic sensor..
Further, the signal selection module includes local control panel, local input loop, remote control panel, remote
Journey input circuit, 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；
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.
Beneficial effect using above-mentioned further scheme is, the control device can realize the local control of depositing dust operation and remote
Process control, when locally controlling, realizes that locally automatically, far control is automatic, automatically selects and manually select four kinds of control functions；Long-range control
When processed, remote control auto-open-close control function is realized；The demand of simple control can be met by the switching of above control function,
And without programming, it is easy to operate with and later maintenance.
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
To RS latch output automatic mode signal, local automatic control signal and remote auto OFF signal during machine；The RS latch
Determine that the first control model, for automatic mode, the second control mould is determined according to local automatic control signal according to automatic mode signal
Formula is local automatic, by gate circuit generation automatic control signal and is 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 a kind of schematic block diagram of conveyer belt depositing dust control device that the embodiment of the present invention 1 is provided；
Fig. 2 is a kind of schematic block diagram of conveyer belt depositing dust control device that the embodiment of the present invention 2 is provided；
Fig. 3 is the schematic block diagram of the signal selection module that the embodiment of the present invention 3 is provided；
Fig. 4 is the schematic block diagram of the signal selection module that the embodiment of the present invention 4 is provided；
Fig. 5 is the circuit structure diagram of start acquiescence circuit provided in an embodiment of the present invention；
Fig. 6 is the schematic block diagram of the signal selection module that the embodiment of the present invention 5 is provided；
Fig. 7 is the schematic block diagram of the signal selection module that the embodiment of the present invention 6 is provided；
Fig. 8 is the circuit structure diagram of signal selection module provided in an embodiment of the present invention；
Fig. 9 is the circuit structure diagram of conveyer belt depositing dust control device 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, 6, power supply connection plug-in unit, 7, Illuminated Switch, 8, protection circuit, 9, transformer, 10, driving circuit for electromagnetic valve, 11, hand over
Circulation DC Module, 12, signal selection module, 13, solenoid-driven control module, 14, hand switch panel connection plug-in unit,
15th, first sensor connection plug-in unit, 16, second sensor connection plug-in unit.
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.
It is as shown in Figure 1 a kind of schematic structure frame of conveyer belt depositing dust control device provided in an embodiment of the present invention
Figure, a kind of device conveyer belt depositing dust control device, including first control circuit, second control circuit, first sensor and
Second sensor；First sensor, for detecting whether conveyer belt position has material；Second sensor, for detecting that conveyer belt is
It is no to be kept in motion；First control circuit, for exporting manual control signal or automatic control signal；Second control circuit
Input is connected with the first control circuit, and its output end and device are connected, for the control in the manual control signal
Under, according to the manually operated output control signal of user, control electromagnetism valve events；It is additionally operable to described automatically control letter receiving
Number, and the first sensor detect conveyer belt position have material and second sensor detect conveyer belt and be kept in motion
When, output control signal controls electromagnetism valve events.
Alternatively, in this embodiment, as shown in Fig. 2 the power supply circuit includes Illuminated Switch, protection circuit, transformation
Device and AC-DC conversion module；The Illuminated Switch is connected with the input of protection circuit, the output end point of the protection circuit
It is not connected with the input of transformer and the input of AC-DC conversion module, the output end and solenoid-driven of the transformer
Circuit is connected, output end and solenoid-driven the control module connection of the AC-DC conversion module.
Alternatively, in this embodiment, the first sensor and second sensor are ultrasonic sensor.
Specifically, when conveyer belt position has object to enter the detection range of first sensor, you can triggering first is sensed
Device, first sensor detects conveyer belt position material, otherwise then detects conveyer belt position and do not expect.
Specifically, because conveyer belt will not produce a large amount of dusts when static, the control device also sets up second sensor
Whether detection conveyer belt is kept in motion, and second sensor can be arranged on the rotating part of conveyer belt, by detecting rotating part
Rotate to determine whether conveyer belt is kept in motion.
So, when first sensor is detected when transmission carries material and second sensor detects conveyer belt and is in motion shape
Automatic magnetic valve carries out depositing dust operation during state, and without manual intervention, high degree of automation reduces the work of operating personnel
Burden, and being capable of energy saving.Certainly, operating personnel can also switch to manual mode, so as to control magnetic valve manually.
Alternatively, in as one embodiment of the present of invention, as shown in figure 3, the signal selection module includes local control
Panel processed, 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；
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 this embodiment, as shown in figure 8, the automatic mode signal output part of the local control panel and
Manual mode signal output part accesses the S1 ends and R1 ends of RS latch U2 by local input loop 1 respectively；Local chain of command
The local automatic control signal output end and remote auto signal output part of plate and respectively by local input loop 1 access RS lock
The S2 ends and R2 ends of storage U2；The remote auto ON signal output end and remote auto OFF signal output end of remote control panel point
Not Tong Guo remote input loop 3 access the S3 ends and R3 ends of RS latch U2.
The control device can be realized to the local control of upstream device and remote control, when locally controlling, realized locally certainly
It is dynamic, remote control is automatic, automatically select and manually select four kinds of control functions；During remote control, remote control auto-open-close control work(is realized
Energy；The demand simply controlled the carrying out of equipment can be met by the switching of above control function, and need not be programmed, it is easy to
Operate with and later maintenance.
Alternatively, as shown in figure 8, 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 figure 8, 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 figure 4, the signal selection module also includes that start is given tacit consent to
Circuit, also including start acquiescence circuit, the start acquiescence circuit is connected with the RS latch, for being locked to RS in start
Storage output automatic mode signal, local automatic control signal and remote auto OFF signal；The RS latch is according to automatic mold
Formula signal determines the first control model for automatic mode, according to local automatic control signal determine the second control model for it is local from
It is dynamic, by gate circuit generation automatic control signal and exported under the triggering of local automatic control signal.
In addition, the signal selection module 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 5
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 fig. 6, the signal selection module 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 figure 8, 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 fig. 7, the signal selection module 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 figure 8, the long-range output loop 4 includes the connection of remote control panel
Plug-in unit B, resistance R11 and resistance R12；One end of resistance R11 and R12 connect with the RS latch and/or the gate circuit respectively
Connect, the other end is connected by connecting plug-in unit B with long-range indicator lamp.RS latch is receiving the remote auto ON signal or remote
During Cheng Zidong OFF signals, drive corresponding long-range indicator lamp bright by resistance R11 and R12 respectively, or by gate circuit and resistance
R11 drives corresponding long-range indicator lamp 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. 8 is the circuit diagram of signal selection module, as shown in figure 8, letter
Number selecting module 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 selection module 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.
Alternatively, as one embodiment of the present of invention, it is illustrated in figure 9 the car and unloads with the circuit of depositing dust control device
Figure.
220V power supplys connect plug-in unit 6 by after Illuminated Switch 7, protection circuit 8 by power supply, all the way by being after transformer 9
Driving circuit for electromagnetic valve 10 is powered, and another road is signal selection module 12, solenoid-driven after exchange turns DC Module 11
Control module 13 is powered；Signal selection module 12 output output manual control signal or automatic control signal；
During manual mode, the control of the manual control signal that solenoid-driven control module 13 is exported in signal selection module 12
Under system, the signal of manually operated each magnetic valve that plug-in unit 14 is input into is connected according to hand switch panel, by solenoid-driven
The drive magnetic valve of circuit 10 carries out depositing dust operation；
During auto state, the control of the automatic control signal that solenoid-driven control module 13 is exported in signal selection module 12
Under system, plug-in unit 15 is connected by first sensor according to first sensor and second sensor and second sensor connects plug-in unit 16
The detection signal output control signal of input, depositing dust operation is carried out by the drive magnetic valve of driving circuit for electromagnetic valve 10.
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 (12)
1. a kind of conveyer belt depositing dust control device, it is characterised in that driven including power supply circuit, signal selection module, magnetic valve
Dynamic control module, driving circuit for electromagnetic valve, first sensor and second sensor；
The power supply circuit is connected with signal selection module, solenoid-driven control module and driving circuit for electromagnetic valve, the letter
Number selecting module, first sensor and second sensor are connected with the input of solenoid-driven control module, the magnetic valve
The output end of drive control module is connected with driving circuit for electromagnetic valve；
The power supply circuit, for being the signal selection module, solenoid-driven control module and driving circuit for electromagnetic valve；
The first sensor, for detecting whether conveyer belt position has material；
The second sensor, for detecting whether conveyer belt is kept in motion；
The signal selection module, for exporting manual control signal or automatic control signal to solenoid-driven control module；
The solenoid-driven control module, for receiving during the manual control signal, receives the manual behaviour of outside input
Make signal, the driving circuit for electromagnetic valve drive magnetic valve action is controlled according to the manual operating signal；It is additionally operable to receiving
During to the automatic control signal, the testing result according to first sensor and second sensor controls the solenoid-driven electricity
Road drive magnetic valve action.
2. conveyer belt according to claim 1 depositing dust control device, it is characterised in that the power supply circuit includes band lamp
Switch, protection circuit, transformer and AC-DC conversion module；
The Illuminated Switch is connected with the input of protection circuit, the output end of the protection circuit respectively with the input of transformer
The input of end and AC-DC conversion module is connected, output end and the driving circuit for electromagnetic valve connection of the transformer, the friendship
Output end and solenoid-driven the control module connection of DC conversion modules.
3. conveyer belt according to claim 1 depositing dust control device, it is characterised in that the first sensor and second
Sensor is ultrasonic sensor.
4. the conveyer belt depositing dust control device according to claim any one of 1-3, it is characterised in that the signal behavior
Module includes 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.
5. conveyer belt according to claim 1 depositing dust control device, it is characterised in that the local input loop includes
The connection plug-in unit A of local control 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.
6. conveyer belt according to claim 1 depositing dust control device, it is characterised in that remote input loop includes long-range
The connection plug-in unit B of control panel, 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.
7. conveyer belt according to claim 1 depositing dust control device, it is characterised in that also including start acquiescence circuit,
The start acquiescence circuit be connected with the RS latch, in start to RS latch output automatic mode signal, originally
Ground automatic control signal and remote auto OFF signal；
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.
8. conveyer belt according to claim 7 depositing dust control device, it is characterised in that the start acquiescence circuit includes
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.
9. the conveyer belt depositing dust control device according to claim any one of 4-8, it is characterised in that also including local defeated
Go out loop and local indicator lamp, one end of the local output loop is connected with the RS latch and/or the gate circuit, separately
One end is connected with local indicator lamp, and RS latch is receiving the automatic mode signal, manual mode signal, local automatic control
When signal processed, remote auto control signal, drive corresponding local indicator lamp bright, or locally refer to by the way that gate circuit driving is corresponding
Show that lamp is bright.
10. conveyer belt according to claim 9 depositing dust control device, it is characterised in that the local output loop bag
Include the connection plug-in unit D and resistance row RN4 of local control 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.
The 11. conveyer belt depositing dust control device according to claim any one of 4-8, it is characterised in that also including 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,
The other end is connected with long-range indicator lamp, RS latch when the remote auto ON signal or remote auto OFF signal is received,
Drive corresponding long-range indicator lamp bright, or drive corresponding long-range indicator lamp bright by gate circuit.
12. conveyer belt according to claim 11 depositing dust control devices, it is characterised in that the long-range output loop bag
Include connection plug-in unit B, resistance R11 and the resistance R12 of remote control panel；
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 |
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| CN201611163009.XA CN106774064A (en) | 2016-12-15 | 2016-12-15 | A kind of conveyer belt depositing dust control device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611163009.XA CN106774064A (en) | 2016-12-15 | 2016-12-15 | A kind of conveyer belt depositing dust control device |
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| CN106743806A (en) * | 2016-12-16 | 2017-05-31 | 北京佳时代包装制品有限责任公司 | A kind of car is unloaded uses depositing dust control device |
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