CN106056204B - Production line of bar steel splitting counts steel device automatically - Google Patents
Production line of bar steel splitting counts steel device automatically Download PDFInfo
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- CN106056204B CN106056204B CN201610421539.3A CN201610421539A CN106056204B CN 106056204 B CN106056204 B CN 106056204B CN 201610421539 A CN201610421539 A CN 201610421539A CN 106056204 B CN106056204 B CN 106056204B
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- triple gate
- filter element
- transmission speed
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06M—COUNTING MECHANISMS; COUNTING OF OBJECTS NOT OTHERWISE PROVIDED FOR
- G06M1/00—Design features of general application
- G06M1/27—Design features of general application for representing the result of count in the form of electric signals, e.g. by sensing markings on the counter drum
Abstract
A kind of production line of bar steel splitting counts steel device automatically, including the first output impulse generating unit, the second output impulse generating unit, the first burst pulse filter element, the second burst pulse filter element, counts processing unit.The counting pulse that first output impulse generating unit, the second output impulse generating unit generate is filtered out to send after narrow pulse interference to counting processing unit respectively by the first burst pulse filter element, the second burst pulse filter element and be counted respectively, is counted processing unit and is taken number steel count results of the count value the greater therein as described device.Described device further includes the first transmission speed converter unit and the second transmission speed converter unit, needs the burst pulse filtered maximum width that bar product transmission speed can be followed to carry out adaptive change, and can be adjusted by changing circuit parameter.Described device, which can be applied to count automatically on the various production line of bar such as steel in steel splitting, needs the occasion counted to product quantity.
Description
Technical field
The present invention relates to a kind of metallurgy bar counting equipment, especially a kind of production line of bar steel splitting counts steel device automatically.
Background technology
Metallurgy bar rolled piece counting device is the common equipment of metallurgy industry, for example, the number steel steel splitting platform of steel plant leads to
It crosses counting device online to count bar, is convenient for automatic steel splitting.Due to delivery bar chain skid, bar roll,
The reasons such as bar trembling, bar juxtaposition cause the counting pulse signal edge that detection device generates there are Vibrating pulse, i.e.,
Narrow pulse interference signal, so as to generate counting error.In addition, the transmission speed of bar product is different, narrow pulse interference signal
Width is also different.
Invention content
In order to solve asking present in the automatic number steel counting device of existing production line of bar, particularly steel splitting production line
Topic, the present invention provides a kind of production line of bar steel splittings to count steel device automatically, and impulse generating unit, the second meter are counted including first
Number impulse generating unit, the second burst pulse filter element, counts processing unit at the first burst pulse filter element.
The first counting impulse generating unit exports the first inceptive impulse and is connected to the first burst pulse filter element
Input pulse end, output pulse ends output the first counting pulse of the first burst pulse filter element is to counting processing unit；It is described
Second counting impulse generating unit exports the second inceptive impulse and is connected to the input pulse end of the second burst pulse filter element, the
Output pulse ends output the second counting pulse of two burst pulse filter elements is to counting processing unit.
The first burst pulse filter element, the second burst pulse filter element are structural parameters are identical, are gated by tri-state
The burst pulse filter element of system.
The counting processing unit respectively counts the first counting pulse and the second counting pulse, takes counting therein
Count results of the numerical value the greater as automatic number steel device.
The production line of bar steel splitting counts steel device and further includes the first transmission speed converter unit and the second transmission speed automatically
Spend converter unit；The stick that the input signal of the first transmission speed converter unit counts impulse generating unit installation place for first
Material transmission speed, output are sent to the control voltage input end of the first burst pulse filter element；The second transmission speed transformation is single
The bar transmission speed that the input signal of member counts impulse generating unit installation place for second, output are sent to the second burst pulse and are filtered
The control voltage input end of unit；The control voltage control that the narrow pulse width of the burst pulse filter element filtering is inputted.
The burst pulse filter element includes controllable charging circuit, controllable discharge circuit, capacitance, Schmidt circuit；It is described
One end of capacitance is connected to Schmidt circuit input terminal, and other end is connected to the power supply electricity of publicly either Schmidt circuit
Source；Input pulse end of the input of the controllable charging circuit for burst pulse filter element, it is defeated that output is connected to Schmidt circuit
Enter end；Input pulse end of the input of the controllable discharge circuit for burst pulse filter element, output are connected to Schmidt circuit
Input terminal；The output terminal of the Schmidt circuit is output pulse ends.
The controllable charging circuit includes repid discharge diode, charging resistor, repid discharge triple gate；It is described quickly to put
Electric diode cathode is connected to repid discharge tri-state gate output terminal, and anode is controllable charging circuit output end；The charging resistor
With repid discharge diodes in parallel；The controllable discharge circuit includes quick charge diode, discharge resistance, quick charge tri-state
Door；The quick charge diode anode is connected to quick charge tri-state gate output terminal, and cathode is controllable discharge circuit output terminal；
The discharge resistance and quick charge diodes in parallel；The repid discharge triple gate input terminal is inputted for controllable charging circuit
End；The quick charge triple gate input terminal is controllable discharge circuit input terminal；The repid discharge triple gate and quick charge
Triple gate by place burst pulse filter element output Pulse Width Control.
The repid discharge triple gate and quick charge triple gate by place burst pulse filter element output Pulse Width Control
Specific method be, when Schmidt circuit is with phase Schmidt circuit, to export the low level control repid discharge tri-state of pulse
Door is in working condition, quick charge triple gate is illegal state, exports the high level control repid discharge triple gate of pulse to prohibit
Only state, quick charge triple gate are in working condition；When Schmidt circuit is reverse phase Schmidt circuit, the height electricity of pulse is exported
Flat control repid discharge triple gate is in working condition, quick charge triple gate is illegal state, exports the low level control of pulse
Repid discharge triple gate is illegal state, quick charge triple gate is in working condition.
The method that the narrow pulse width of the burst pulse filter element filtering is controlled by transmission speed is repid discharge tri-state
The high level current potential that door, quick charge triple gate export is controlled by bar transmission speed.
What the high level current potential that the repid discharge triple gate, quick charge triple gate export was controlled by bar transmission speed
Method is, when bar transmission speed increases, the high level current potential that repid discharge triple gate, quick charge triple gate export increases
Greatly；When bar transmission speed reduces, the high level current potential that repid discharge triple gate, quick charge triple gate export reduces.
The output of the first transmission speed converter unit is the first control voltage；The first control voltage is as first
The power supply of repid discharge triple gate and quick charge triple gate in burst pulse filter element；The second transmission speed converter unit
Output for second control voltage；The second control voltage as repid discharge triple gate in the second burst pulse filter element and
The power supply of quick charge triple gate.
The positive narrow pulse width of maximum that the burst pulse filter element can filter also by change charge constant or
The upper limit threshold voltage of person's Schmidt circuit is controlled, and the maximum that can be filtered bears narrow pulse width and also discharged by changing
The lower limit threshold voltage of time constant or Schmidt circuit is controlled；The charge constant is charging resistor and electricity
The product of appearance；Product of the discharge time constant for discharge resistance and capacitance.
The repid discharge triple gate is all same phase triple gate, either, the repid discharge with quick charge triple gate
Triple gate and quick charge triple gate are all inverting tri-state door.
The beneficial effects of the invention are as follows：It is different to being mounted on bar transmission that the production line of bar steel splitting counts steel device automatically
The counting pulse that two counting and detecting devices (counting impulse generating unit) of position generate is counted respectively, be avoided that or
The counting error that bar intersection, overlap zone come when person reduces automatic number steel；Automatic fitration bear broad pulse during positive burst pulse and
Negative burst pulse during positive broad pulse, and the continuous positive burst pulse of quick-recovery filter capacity filtering or negative burst pulse can do soon
Signal is disturbed, eliminating the rising edge in counting pulse signal, continuously shake and failing edge are continuously shaken, and avoid or reduce counting and miss
Difference；Need the burst pulse filtered maximum width that bar product transmission speed can be followed to carry out adaptive change, and can be by changing
Become circuit parameter to be adjusted.
Description of the drawings
Fig. 1 counts steel device embodiment structure diagram automatically for production line of bar steel splitting；
Fig. 2 is burst pulse filter element embodiment；
Fig. 3 is the input pulse and output pulse waveform of burst pulse filter element embodiment；
Fig. 4 is transmission speed converter unit embodiment.
Specific embodiment
Below in conjunction with attached drawing, the invention will be further described.
Steel device embodiment structure diagram is counted automatically for production line of bar steel splitting as shown in Figure 1.First counts pulses generation
Unit 101 exports the first inceptive impulse M1, carries out burst pulse filtering to M1 by the first burst pulse filter element 201, is filtered out
First after disturbing pulse counts pulse N1；Second, which counts impulse generating unit 102, exports the second inceptive impulse M2, by second
Burst pulse filter element 202 carries out burst pulse filtering to M2, obtains filtering out the second counting pulse N2 after disturbing pulse.First
Count pulse N1, the second counting pulse N2 is sent to and counts processing unit 301.
First count impulse generating unit, second count impulse generating unit for common optoelectronic switch on production line, suddenly
The counting and detecting devices such as your switch, magnetic reed switch or inductance approach switch, capacitive approach switch.Work as metallurgy bar
Production line has bar to export an inceptive impulse signal when passing through.Inceptive impulse is the counting pulse of non-filtering interference signals.
The counting and detecting device of first counting impulse generating unit and the second counting impulse generating unit is respectively arranged in stick
The different section chains of material transmission or the different location that same section of chain is transmitted mounted on bar, for example, same mounted on bar transmission
The head end and tail end of one section of chain.
It counts processing unit 301 respectively to count N1, N2, and takes count value the greater therein as automatic number
The count results of steel device.If carrying out continuous counter, a cycle time X can be set first, at each period
Between in, take numerical value the greater in being counted to N1, N2 as the count results for counting steel devices in the cycle time automatically.Due to
One, which counts impulse generating unit and second, counts the counting and detecting device of impulse generating unit mounted on the different positions of bar transmission
It puts, same bar reaches different at the time of the first counting impulse generating unit and the second counting impulse generating unit.If same stick
Material counts impulse generating unit transport from first and reaches the second time phase difference X1 for counting impulse generating unit, then second counts arteries and veins
The cycle time X that punching generates unit setting counts X lag times same period time that impulse generating unit is set than first
X1。
During continuous counter or one count value of setting is as the period is counted, and the numerical value in being counted to N1, N2 is larger
When person reaches the count value of setting, restart to carry out next counting for counting the period.Similarly, a count value conduct is set
When counting the period, the counting period start time needs of the first counting impulse generating unit and the second counting impulse generating unit are examined
Consider same bar and reached for the first time difference for counting impulse generating unit and the second counting impulse generating unit.
It counts processing unit various methods well-known to those skilled in the art may be used and realize, it is preferred to use MCU is
The circuit of core is realized.
The composition of burst pulse filter element includes controllable discharge circuit, controllable charging circuit, capacitance, Schmidt circuit.
It is illustrated in figure 2 burst pulse filter element embodiment.It is repid discharge diode, charging resistor, quick in embodiment
The triple gate that discharges is respectively diode D11, resistance R11, triple gate T11, constitutes controllable discharge circuit；Two pole of quick charge
Pipe, discharge resistance, quick charge triple gate are respectively diode D12, resistance R12, triple gate T12, constitute controllable charging electricity
Road；Capacitance is capacitance C11.Schmidt circuit F11 is with phase Schmidt circuit, therefore, pulse P2 and input is exported in embodiment
The same phases of pulse P1.The input terminal of a termination Schmidt circuit of capacitance C11, i.e. the input terminal A3 of F11, other end are connected to public affairs
Altogether.
In Fig. 2 embodiments, Schmidt circuit F11 is with phase Schmidt circuit, and output pulse P2 (A4 points in Fig. 2) directly connects
It is connected to the enabled control terminal of triple gate T11, triple gate T12, triple gate T11, triple gate T12 are respectively that low level, high level make
It can be effective.The high and low level of output pulse P2 controls triple gate T12 to be in working condition, is illegal state respectively, exports pulse P2
High and low level control respectively triple gate T11 for illegal state, be in working condition.It is controlled by output pulse P2, triple gate
In T11 and triple gate T12 always one in state is in working condition, another is in as illegal state state.Work as tri-state
When door T11, triple gate T12 are enabled effectively simultaneously using low level or high level enables effective device, one of them
It is controlled by the inversion signal of output pulse P2.
Fig. 3 is the input pulse and output pulse waveform of burst pulse filter element embodiment.In Fig. 3, P1 is input pulse,
P2 is output pulse, and when P1 low levels is normally negative broad pulses, A3 point current potentials are consistent with A1 point low level current potentials in Fig. 2,
P2 is low level, and triple gate T11 is in working condition, and the A1 level points of output are consistent with A0 points；T12 is illegal state, output
For high-impedance state.The high level of positive burst pulse 11 charges to capacitance C11 by charging resistor R11, and A3 points current potential is made to increase；Due to narrow
The width of pulse 11 is less than time T1, and A3 point current potentials are still below the upper limit threshold of Schmidt circuit F11 at the end of burst pulse 11
Voltage, therefore, P2 are maintained low level, and triple gate T11 maintenances are in working condition；At the end of burst pulse 11, A1 points become again
Low level and capacitance C11 repid discharges are made by repid discharge diode D11, make A3 point current potentials and A1 point low levels current potential one
It causes, restores to burst pulse 11 state before arriving, antijamming capability is restored rapidly, when continuous just narrow followed by having
During pulse interference signal, can equally it filter out.Positive burst pulse 12, positive burst pulse 13 width be respectively less than time T1, therefore, when
At the end of each in burst pulse 12, burst pulse 13, P2 is maintained low level, and A1 points become low level and again by quick
Discharge diode D11 makes capacitance C11 repid discharges, makes A3 point current potentials consistent with A1 point low level current potentials.
Pulse 14 is normal positive broad pulse, and for P1 when high level time is maintained to reach T1 after rising edge 20, A1 points are high
Level charges to capacitance C11 by charging resistor R11, the upper limit threshold that the rising of A3 points current potential is made to reach Schmidt circuit F11
Voltage, Schmidt circuit F11 output P2 become high level from low level at rising edge 25, make triple gate T11 for illegal state,
T12 is in working condition, and the A2 level points of output are consistent with A0 points；The high level of A2 points is made by quick charge diode D12
Capacitance C11 quick charges make A3 point current potentials consistent with A2 point high level current potentials, and P2 is maintained high level.
The low level of negative burst pulse 15 discharges to capacitance C11 by discharge resistance R12, declines A3 points current potential；Due to narrow
The width of pulse 15 is less than time T2, and A3 point current potentials remain above the lower limit threshold of Schmidt circuit F11 at the end of burst pulse 15
Voltage, therefore, P2 are maintained high level, and triple gate T12 maintenances are in working condition；At the end of burst pulse 15, A2 points become again
High level and capacitance C11 quick charges are made by quick charge diode D12, make A3 point current potentials and A2 point high level current potential one
It causes, restores to burst pulse 15 state before arriving, antijamming capability is restored rapidly, when continuously negative narrow followed by having
During pulse interference signal, can equally it filter out.Negative burst pulse 16, negative burst pulse 17, negative burst pulse 18 width when being respectively less than
Between T2, therefore, at the end of each in burst pulse 16, burst pulse 17, burst pulse 18, P2 is maintained high level, A2 point weights
Newly become high level and capacitance C11 quick charges are made by quick charge diode D12, make A3 point current potentials and A2 points high level electricity
Position is consistent.
For P1 when low level time is maintained to reach T2 after failing edge 21, representing P1, there are one normally negative broad pulse, A2
The low level of point discharges to capacitance C11 by discharge resistance R12, the lower limit that the decline of A3 points current potential is made to reach Schmidt circuit F11
Threshold voltage, the output P2 of Schmidt circuit F11 become low level at failing edge 26 from high level, and it is work to make triple gate T11
Make state, T12 is illegal state；The low level of A1 points makes capacitance C11 repid discharges by repid discharge diode D11, makes A3
Point current potential is consistent with A1 point low level current potentials, and P2 is maintained low level.19 width of negative broad pulse of P1 is more than T2, in negative broad pulse
When maintenance high level time reaches T1 after 19 rising edge 22, P2 becomes high level at rising edge 27 from low level.
Burst pulse filter element is by burst pulse 11, burst pulse 12, burst pulse 13, burst pulse 15, the burst pulse in P1 signals
16th, burst pulse 17, burst pulse 18 all filter out, and positive broad pulse 14, negative broad pulse 19 can pass through, and make phase occur in P2 signals
The positive broad pulse 23 and negative broad pulse 24 answered.The output same phases of pulse P2 and input pulse P1, and 14 rising edge of broad pulse exported
Than the broad pulse 14 rising edge lag time T1, failing edge lag time T2 of input.
Burst pulse 11, burst pulse 12, burst pulse 13 be positive burst pulse, wherein burst pulse 11 be single disturbing pulse, narrow arteries and veins
Punching 12, the continuous Vibrating pulse that burst pulse 13 is input pulse edge.Time T1 can be filtered most for burst pulse filter element
Big positive narrow pulse width.High level current potential, low level current potential and the Shi Mi that T1 is exported by charge constant, triple gate T11
The upper limit threshold voltage joint effect of special circuit F11.Under normal conditions, the high level current potential and low level of triple gate T11 outputs
Current potential is definite value, and therefore, the value for adjusting T1 can be electric by changing the upper limit threshold of charge constant or Schmidt circuit
It presses to carry out.In Fig. 2, product of the charge constant for charging resistor R11 and capacitance C11.The burst pulse filter element is permitted
Perhaps positive pulse signal of the width more than T1 passes through.
Burst pulse 15, burst pulse 16, burst pulse 17, burst pulse 18 are negative burst pulse, and wherein burst pulse 15 is single interference
Pulse, burst pulse 16, burst pulse 17, the continuous Vibrating pulse that burst pulse 18 is input pulse edge.Time T2 is burst pulse mistake
The maximum that filter unit can filter bears narrow pulse width.The high level electricity that T2 is exported by discharge time constant, triple gate T12
The lower limit threshold voltage joint effect of position, low level current potential and Schmidt circuit F11.Under normal conditions, triple gate T12 is exported
High level current potential and low level current potential are definite value, and therefore, the value for adjusting T2 can be by changing discharge time constant or applying close
The lower limit threshold voltage of special circuit carries out.In Fig. 2, product of the discharge time constant for discharge resistance R12 and capacitance C11.Institute
The undersuing that stating burst pulse filter element allows width to be more than more than T2 passes through.
In Fig. 2, capacitance C11 connect one end publicly can also reconfiguration Schmidt circuit F11 power supply end.
In Fig. 2, Schmidt circuit F11 can also select reverse phase Schmidt circuit, and the high level for exporting pulse P2 at this time should
The control repid discharge triple gate is in working condition, quick charge triple gate is illegal state, exports the low level control of pulse
Repid discharge triple gate is illegal state, quick charge triple gate is in working condition.For example, when Schmidt circuit F11 choosings in Fig. 2
Reverse phase Schmidt circuit is selected, when will export pulse P2 and being connected directly to the enabled control terminal of triple gate T11, triple gate T12, three
State door T11 should correspondingly be changed to high level and enable effectively, and triple gate T12 is correspondingly changed to low level and enables effectively.Selection is anti-
The operation principle of circuit is identical with Fig. 2 during phase Schmidt circuit, only output pulse at this time and input pulse reverse phase.
Repid discharge triple gate can have the inverting tri-state door of inverter functionality with quick charge triple gate with simultaneous selection.
When repid discharge triple gate and quick charge triple gate simultaneous selection inverting tri-state door, be equivalent to increases by one at input pulse end
A phase inverter first will carry out anti-narrow pulse interference again after input pulse reverse phase, operation principle is identical with Fig. 2.
The input signal of the Schmidt circuit is the voltage on capacitance, it is therefore desirable to which Schmidt circuit has high input
Impedance operator.Schmidt circuit can select to have the cmos schmitt phase inverter CD40106 of high input impedance charcteristic,
The devices such as cmos schmitt NAND gate CD4093,74HC24 of 74HC14 or selection with high input impedance charcteristic.CMOS
Schmitt inverter or the upper limit threshold voltage of cmos schmitt NAND gate, lower limit threshold voltage are relevant solid with device
Therefore definite value, it is normal by changing the charging time to adjust the positive narrow pulse width of input that can be filtered, negative narrow pulse width needs
Number, discharge time constant carry out.It is formed with phase Schmidt circuit, needed with schmitt inverter or Schmidt's NAND gate
Increase level-one phase inverter behind schmitt inverter or Schmidt's NAND gate.
Schmidt circuit is also an option that be formed using operational amplifier, and Schmidt's electricity is formed using operational amplifier
Road can neatly change upper limit threshold voltage, lower limit threshold voltage.Similarly, Schmidt's electricity is formed using operational amplifier
Lu Shi needs to use structure and circuit with high input impedance charcteristic.
As shown in Figure 1, production line of bar steel splitting counts steel device embodiment automatically further includes the first transmission speed converter unit
401st, the second transmission speed converter unit 402.Fig. 4 is transmission speed converter unit embodiment, is become suitable for the first transmission speed
When changing unit, the transmission speed n of the input of transmission speed converter unit shown in Fig. 4 counts impulse generating unit peace in Fig. 1 first
Bar transmission speed n1 at dress, output UK are the control of the transmission speed input terminal sent in Fig. 1 to the first burst pulse filter element
Voltage UK1 processed；During suitable for the second transmission speed converter unit, the input transmission speed n of transmission speed converter unit shown in Fig. 4
The bar transmission speed n2 for counting impulse generating unit installation place in Fig. 1 second, output UK is send to the second burst pulse in Fig. 1
The control voltage UK2 of the transmission speed input terminal of filter element.Similarly, the embodiment conduct of burst pulse filter element shown in Fig. 2
During the first burst pulse filter element, the UK in Fig. 2 is UK1；The embodiment of burst pulse filter element shown in Fig. 2 is as the second burst pulse
During filter element, the UK in Fig. 2 is UK2.UK1 is the first control voltage, and UK2 is the second control voltage.
First counts the narrow arteries and veins of continuously shake for exporting porch of impulse generating unit, the second counting impulse generating unit
The width of punching is respectively by bar transmission speed n1, bar transmission speed n2, i.e., by the transmission speed of transmission speed converter unit input
The influence for spending n changes.When transmission speed n increases, the first counting impulse generating unit, second count the defeated of impulse generating unit
The width for going out the continuous Vibrating pulse of porch reduces；When product transmission speed n reduces, first counts pulses generation list
First, the second continuous Vibrating pulse for exporting porch for counting impulse generating unit width increases.
When the counting and detecting device of the first counting impulse generating unit and the second counting impulse generating unit is respectively arranged in
During the different section chains of bar transmission, bar transmission speed n1 is different from bar transmission speed n2, the first transmission speed converter unit
The UK1 of output and the UK2 that the second transmission speed converter unit exports are unequal.When the first counting impulse generating unit and the second meter
The counting and detecting device of number impulse generating units is mounted on bar when transmitting the different location of same section of chain, bar transmission speed n1
Identical with bar transmission speed n2, the UK1 and the second transmission speed converter unit of the output of the first transmission speed converter unit are exported
UK2 it is equal, the second transmission speed converter unit can be omitted at this time, using the first transmission speed converter unit output control electricity
Press UK1 simultaneously as control voltage UK2.
In Fig. 4, F71 is transmission speed sensor, and transmission speed n is converted to voltage Un and exported by F71.Amplifier F72 and electricity
R76, resistance R77, resistance R78, resistance R79 composition zero adjustment circuits are hindered, control voltage UK is exported from amplifier F72 output terminals.
One of effect of zero adjustment circuit is to adjust voltage VREF by changing the zero of input, by the minimum speed of transmission speed n
(being usually 0) corresponding control voltage UK is adjusted to non-zero value；Second is that improve the driving force of control voltage UK.Input speed model
The range of corresponding control voltage UK is enclosed by adjusting transmission speed sensor F71 parameters, zero adjustment circuit parameter and zero
Voltage VREF is adjusted to carry out.In Fig. 4 embodiments, when transmission speed n increases, output control voltage UK increases；Transmission speed n
During reduction, output control voltage UK reduces.
Control voltage UK is sent to burst pulse filter element, to repid discharge triple gate in burst pulse filter element, quick
The high level current potential of charging triple gate output is controlled, when transmission speed n increases, repid discharge triple gate, quick charge
The high level current potential increase of triple gate output；When transmission speed n reduces, repid discharge triple gate, quick charge triple gate are defeated
The high level current potential gone out reduces.
Repid discharge triple gate, quick charge triple gate using CMOS tri-state gate circuits, high-speed cmos tri-state gate circuit come
It forms, using control voltage UK as repid discharge triple gate, the power supply of quick charge triple gate.In embodiment, it will control
Voltage UK is as triple gate T11 and the power supply of triple gate T12.At this point, the height electricity of triple gate T11 and triple gate T12 outputs
It puts down as (close) power supply potential, that is, the high level electricity that voltage UK is controlled to be exported directly as triple gate T11 and triple gate T12
Position, when control voltage UK increases, the high level current potential of triple gate T11 outputs and the high level current potential of triple gate T12 outputs increase
Greatly.In the corresponding control voltage UK ranges of adjustment transmission speed n ranges, the range of control voltage UK to be made to meet and can filter
The positive narrow pulse width T1 of maximum, maximum negative narrow pulse width T2 adjusting range requirement, while control the range of voltage UK also
Need the power supply area requirement for meeting triple gate T11 and triple gate T12.
When the upper limit threshold voltage of constant and Schmidt circuit remains unchanged between when charging, transmission speed n increases, tri-state
The high level current potential increase of door T11 outputs accelerates the speed of capacitor charging by charging resistor, reduces T1；Transmission speed
It spends n to reduce, the high level current potential of triple gate T11 outputs reduces, and slows down the speed of capacitor charging by charging resistor, makes T1
Increase；The charging rate for realizing controllable charging circuit is controlled by transmission speed n.When realizing disturbing pulse filtering in other words,
The transmission speed n self adaptive controls of the positive narrow pulse width T1 of maximum that can be filtered, i.e. when transmission speed n changes, T1 is at one
Transmission speed n is followed to change in given range.If change the upper limit threshold of charge constant either Schmidt circuit
Voltage, the then given range that T1 follows transmission speed n to change can integrally change, for example, increase charge constant, then similary
Transmission speed n variation ranges in, T1 follow constant interval upper limit value and lower limiting value increase.
When the lower limit threshold voltage of constant and Schmidt circuit remains unchanged between upon discharging, transmission speed n increases, tri-state
The high level current potential increase of door T12 outputs accelerates the speed that capacitance discharges by discharge resistance, reduces T2；Transmission speed
It spends n to reduce, the high level current potential of triple gate T12 outputs reduces, and the speed for discharging to capacitance by discharge resistance slows down, and makes T2
Increase；The charging rate for realizing controllable charging circuit is controlled by transmission speed n.When realizing disturbing pulse filtering in other words,
The maximum that can be filtered bears the transmission speed n self adaptive controls of narrow pulse width T2, i.e. when transmission speed n changes, T2 is at one
Transmission speed n is followed to change in given range.If change the lower limit threshold of discharge time constant either Schmidt circuit
Voltage, then the given range that T2 follows transmission speed n to change can integrally change, for example, reducing discharge time constant, then similary
Transmission speed n variation ranges in, T2 follow constant interval upper limit value and lower limiting value reduce.
Claims (10)
1. a kind of production line of bar steel splitting counts steel device automatically, it is characterised in that：
Impulse generating unit, the second counting impulse generating unit, the first burst pulse filter element, the second narrow arteries and veins are counted including first
It rushes filter element, count processing unit；
The first counting impulse generating unit exports the first inceptive impulse and is connected to the input of the first burst pulse filter element
Pulse ends, output pulse ends output the first counting pulse of the first burst pulse filter element is to counting processing unit；Described second
It counts impulse generating unit to export the second inceptive impulse and be connected to the input pulse end of the second burst pulse filter element, second is narrow
Output pulse ends output the second counting pulse of pulse filter unit is to counting processing unit；
The first burst pulse filter element, the second burst pulse filter element are identical, by triple gate control for structural parameters
Burst pulse filter element；
The counting processing unit respectively counts the first counting pulse and the second counting pulse, takes count value therein
Count results of the greater as automatic number steel device.
2. production line of bar steel splitting according to claim 1 counts steel device automatically, it is characterised in that：Further include the first transmission
Speed change unit and the second transmission speed converter unit；The input signal of the first transmission speed converter unit is the first meter
The bar transmission speed of number impulse generating unit installation place, output are sent to the control control source of the first burst pulse filter element
End；The bar transmission speed that the input signal of the second transmission speed converter unit counts impulse generating unit installation place for second
Degree, output are sent to the control voltage input end of the second burst pulse filter element；The burst pulse of the burst pulse filter element filtering
The control voltage control that width is inputted.
3. production line of bar steel splitting according to claim 2 counts steel device automatically, it is characterised in that：
The burst pulse filter element includes controllable charging circuit, controllable discharge circuit, capacitance, Schmidt circuit；
One end of the capacitance is connected to Schmidt circuit input terminal, and other end is connected to publicly either Schmidt circuit
Power supply；
Input pulse end of the input of the controllable charging circuit for burst pulse filter element, it is defeated that output is connected to Schmidt circuit
Enter end；The input of the controllable discharge circuit is connected to the input pulse end of burst pulse filter element, and output is connected to Schmidt
Circuit input end；
The output terminal of the Schmidt circuit is output pulse ends.
4. production line of bar steel splitting according to claim 3 counts steel device automatically, it is characterised in that：The controllable charging electricity
Road includes repid discharge diode, charging resistor, repid discharge triple gate；The repid discharge diode cathode is connected to quickly
Discharge tri-state gate output terminal, and anode is controllable charging circuit output end；The charging resistor and repid discharge diodes in parallel；
The controllable discharge circuit includes quick charge diode, discharge resistance, quick charge triple gate；The quick charge two
Pole pipe anode is connected to quick charge tri-state gate output terminal, and cathode is controllable discharge circuit output terminal；The discharge resistance with it is fast
Fast charging diode is in parallel；
The repid discharge triple gate input terminal is controllable charging circuit input end；The quick charge triple gate input terminal is can
Control discharge circuit input terminal；
The repid discharge triple gate and quick charge triple gate by place burst pulse filter element output Pulse Width Control.
5. production line of bar steel splitting according to claim 4 counts steel device automatically, it is characterised in that：The repid discharge three
State door and quick charge triple gate are by the pulse controlled specific method of output of place burst pulse filter element, when Schmidt's electricity
During Lu Weitong phase Schmidt circuits, the low level control repid discharge triple gate that exports pulse is in working condition, quick charge three
State door is illegal state, and the high level control repid discharge triple gate for exporting pulse is illegal state, quick charge triple gate is
Working condition；When Schmidt circuit is reverse phase Schmidt circuit, the high level control repid discharge triple gate for exporting pulse is
Working condition, quick charge triple gate are illegal state, export the low level control repid discharge triple gate of pulse to forbid shape
State, quick charge triple gate are in working condition.
6. production line of bar steel splitting according to claim 4 counts steel device automatically, it is characterised in that：The burst pulse filtering
The method that the narrow pulse width of unit filtering is controlled by transmission speed is repid discharge triple gate, the output of quick charge triple gate
High level current potential by bar transmission speed control.
7. production line of bar steel splitting according to claim 6 counts steel device automatically, it is characterised in that：The repid discharge three
State door, the method that the high level current potential of quick charge triple gate output is controlled by bar transmission speed are, when bar transmission speed
During increase, the high level current potential that repid discharge triple gate, quick charge triple gate export increases；When bar transmission speed reduces
When, the high level current potential that repid discharge triple gate, quick charge triple gate export reduces.
8. production line of bar steel splitting according to claim 6 counts steel device automatically, it is characterised in that：
The output of the first transmission speed converter unit is the first control voltage；The first control voltage is as the first narrow arteries and veins
Rush the power supply of repid discharge triple gate and quick charge triple gate in filter element；
The output of the second transmission speed converter unit is the second control voltage；The second control voltage is as the second narrow arteries and veins
Rush the power supply of repid discharge triple gate and quick charge triple gate in filter element.
9. the production line of bar steel splitting according to any one of claim 6-8 counts steel device automatically, it is characterised in that：Institute
It is also electric by changing charge constant or Schmidt to state the positive narrow pulse width of maximum that burst pulse filter element can filter
The upper limit threshold voltage on road is controlled, the maximum that can be filtered bear narrow pulse width also by change discharge time constant or
The lower limit threshold voltage of person's Schmidt circuit is controlled；The charge constant is charging resistor and the product of capacitance；
Product of the discharge time constant for discharge resistance and capacitance.
10. production line of bar steel splitting according to claim 8 counts steel device automatically, it is characterised in that：The repid discharge
Triple gate is all same phase triple gate with quick charge triple gate, either, the repid discharge triple gate and quick charge tri-state
Door is all inverting tri-state door.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810455318.7A CN108875888B (en) | 2016-06-15 | 2016-06-15 | Automatic steel counting method for steel division of bar production line |
| CN201610421539.3A CN106056204B (en) | 2016-06-15 | 2016-06-15 | Production line of bar steel splitting counts steel device automatically |
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| CN201610421539.3A CN106056204B (en) | 2016-06-15 | 2016-06-15 | Production line of bar steel splitting counts steel device automatically |
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| CN201610421539.3A Active CN106056204B (en) | 2016-06-15 | 2016-06-15 | Production line of bar steel splitting counts steel device automatically |
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| CN108038535B (en) * | 2017-11-16 | 2021-05-25 | 湖南工业大学 | Reading room people counting device |
| CN108710935A (en) * | 2018-05-17 | 2018-10-26 | 孝感量子机电科技有限公司 | Parts count apparatus and system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1261657A (en) * | 1998-12-24 | 2000-08-02 | 株式会社又进 | Measuring equipment and measuring method for melting slag thickness in steel making |
| CN104463319A (en) * | 2014-11-10 | 2015-03-25 | 浙江中烟工业有限责任公司 | Optical counting device for filter sticks |
| CN105513082A (en) * | 2015-12-28 | 2016-04-20 | 中建三局第一建设工程有限责任公司 | Method and device for identifying and counting number of rods in bundle |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2570893Y (en) * | 2001-10-31 | 2003-09-03 | 石家庄钢铁有限责任公司 | Metallurgy bar counter |
| US8136409B2 (en) * | 2010-05-28 | 2012-03-20 | Silicon Laboratories Inc. | Performing metering using pulse counting |
| CN103575312B (en) * | 2013-11-25 | 2015-12-09 | 济南飞越机电科技有限公司 | A kind of fluttering method that disappears of the incremental optical-electricity encoder for photoelectric turntable |
| CN103679261A (en) * | 2013-11-25 | 2014-03-26 | 石家庄钢铁有限责任公司 | Counting device and counting method for metallurgy bars |
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2016
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1261657A (en) * | 1998-12-24 | 2000-08-02 | 株式会社又进 | Measuring equipment and measuring method for melting slag thickness in steel making |
| CN104463319A (en) * | 2014-11-10 | 2015-03-25 | 浙江中烟工业有限责任公司 | Optical counting device for filter sticks |
| CN105513082A (en) * | 2015-12-28 | 2016-04-20 | 中建三局第一建设工程有限责任公司 | Method and device for identifying and counting number of rods in bundle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108875888B (en) | 2022-01-21 |
| CN108875888A (en) | 2018-11-23 |
| CN106056204A (en) | 2016-10-26 |
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Effective date of registration: 20191112 Address after: 221300, Fumin Road, Pizhou hi tech Industrial Development Zone, Xuzhou, Jiangsu, 22 Patentee after: Pizhou hi tech Zone New Energy Technology Research Institute Co., Ltd. Address before: 412007 School of industry, research and production, Hunan University of Technology, 88 West Taishan Road, Zhuzhou, Hunan Patentee before: Hunan University of Technology |
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Effective date of registration: 20210305 Address after: 221300 No.56, paoche street, Pizhou City, Xuzhou City, Jiangsu Province Patentee after: Pizhou Jingpeng Venture Capital Co., Ltd Address before: 221300 22 Fu Min Road, hi tech Industrial Development Zone, Pizhou, Xuzhou, Jiangsu Patentee before: PIZHOU HIGH-TECH ZONE NEW ENERGY TECHNOLOGY RESEARCH INSTITUTE Co.,Ltd. |