CN107526035A - A kind of overload early-warning device of Rubber Conveyor Belt Scrap - Google Patents
A kind of overload early-warning device of Rubber Conveyor Belt Scrap Download PDFInfo
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- CN107526035A CN107526035A CN201710943528.6A CN201710943528A CN107526035A CN 107526035 A CN107526035 A CN 107526035A CN 201710943528 A CN201710943528 A CN 201710943528A CN 107526035 A CN107526035 A CN 107526035A
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- 239000000203 mixture Substances 0.000 claims abstract description 6
- 238000012545 processing Methods 0.000 claims abstract description 6
- 230000001143 conditioned effect Effects 0.000 claims abstract description 5
- 239000004065 semiconductor Substances 0.000 claims description 18
- 230000005611 electricity Effects 0.000 claims description 13
- 239000003381 stabilizer Substances 0.000 claims description 5
- 239000003990 capacitor Substances 0.000 claims description 3
- 230000036461 convulsion Effects 0.000 abstract description 9
- 238000013461 design Methods 0.000 abstract description 4
- 230000002159 abnormal effect Effects 0.000 description 6
- 238000012423 maintenance Methods 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/34—Testing dynamo-electric machines
- G01R31/343—Testing dynamo-electric machines in operation
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- Control Of Conveyors (AREA)
Abstract
The present invention discloses a kind of overload early-warning device of Rubber Conveyor Belt Scrap.It solves the problems, such as the motor overload of present Rubber Conveyor Belt Scrap and manually to the fragile Rubber Conveyor Belt Scrap of its jerk and motor.It includes power collecting circuit, differential amplifier circuit and driving early warning circuit, wherein, the motor output power of the power harvester collection Rubber Conveyor Belt Scrap of power collecting circuit, triode Q1, Q2 composition difference channel conditioned power signals are utilized through differential amplifier circuit, and by transport and placing device U1B amplifying power signals, drive signal of the power signal as driving early warning circuit after differential amplifier circuit processing, the motor current supply circuit of drive signal control driving early warning circuit cut-out Rubber Conveyor Belt Scrap, and alarmed.The present invention has the advantages of reasonable in design, motor jerk precise control, alarm is timely.
Description
Technical field
The present invention relates to the safety device of motor, the overload early-warning device of especially a kind of Rubber Conveyor Belt Scrap.
Background technology
Rubber Conveyor Belt Scrap is widely used in the occasion of material transportation as transmission part.The operating of Rubber Conveyor Belt Scrap is by electricity
Machine is completed through driving member driving conveyer belt, and the ability of motor load can be with the increase of rubber bandwidth and the increasing of weight of material
Add and reduce, the power resources of motor be power supply module to its high-power power supply, transmitted for the big rubber of some bearing articles
For band, its motor needs more stable high-power power supply.
And in Rubber Conveyor Belt Scrap work process, because conveyer belt works for a long time, Rubber Conveyor Belt Scrap can occur often
Motor overload work situation, in addition, Rubber Conveyor Belt Scrap transport when unusual condition can also occur.At present, it is above-mentioned in generation
During situation, staff rule of thumb judges the emergency stop device of manual control Rubber Conveyor Belt Scrap, and it has jerk manipulation not in time
Deficiency, easily reduce the service life of Rubber Conveyor Belt Scrap and motor.
The content of the invention
In order to overcome the motor overload of present Rubber Conveyor Belt Scrap and manually to the fragile Rubber Conveyor Belt Scrap of its jerk and electricity
The deficiency of machine.It is an object of the invention to provide a kind of reasonable in design, motor jerk precise control, alarm, timely rubber transmits
The overload early-warning device of band.
The technical solution adopted for the present invention to solve the technical problems is：A kind of overload early-warning dress of Rubber Conveyor Belt Scrap
To put, it includes power collecting circuit, differential amplifier circuit and driving early warning circuit, wherein, the power of the power collecting circuit
Collector gathers the motor output power of Rubber Conveyor Belt Scrap, and triode Q1, Q2 composition difference channel are utilized through differential amplifier circuit
Conditioned power signals, and by transport and placing device U1B amplifying power signals, the power signal after differential amplifier circuit processing is pre- as driving
The drive signal of alert circuit, the motor current supply circuit of drive signal control driving early warning circuit cut-out Rubber Conveyor Belt Scrap, goes forward side by side
Row alarm；
The differential amplifier circuit includes transport and placing device U1B and triode Q1, Q2, the triode Q1 direct receiving power collection of base stage
The signal of circuit, signal of the triode Q1 emitter stage through resistance R2 receiving power Acquisition Circuits, triode Q2 base stage is through electricity
The signal that R2, R5 series connection receive power collecting circuit is hindered, triode Q1 colelctor electrode connects power supply+5V and resistance R3 one end, electricity
R3 another termination triode Q2 colelctor electrode is hindered, triode Q2 emitter stage connects transport and placing device U1B anti-phase input through resistance R4
End, transport and placing device U1B homophase input terminating resistor R11, R6 one end and electric capacity C2 one end, resistance R11 another termination electricity
End points is grounded source+5V, resistance R6 and electric capacity the C2 other end altogether, series electrical on transport and placing device U1B in-phase input end feedback circuit
Hinder R7.
Preferably, the power collecting circuit includes model AD8318 power harvester J1, power harvester J1's
Power supply termination power+5V, power harvester J1 output termination capacitor C1 one end and resistance R1 one end and triode Q1
Base stage, power harvester J1 earth terminal ground connection, electric capacity C1 the other end ground connection.
Preferably, the driving early warning circuit includes metal-oxide-semiconductor Q3, and metal-oxide-semiconductor Q3 grid connects inductance L1 one end and voltage stabilizing
Pipe D1 negative electrode, inductance L1 another terminating resistor R8 and electric capacity C3 one end, resistance R8 another termination transport and placing device U1B's is defeated
Go out end, the plus earth of electric capacity the C3 other end and voltage-stabiliser tube D1, the metal-oxide-semiconductor Q3 drain electrode contact relay K1 pole of contact 5 and two
Pipe D2 positive pole, diode D2 negative pole contact relay K1 contact 4 and power supply+10V, relay K1 the connecting resistance R9 of contact 1
One end, the resistance R9 other end is connected to lock-switch S1 one end, the positive pole of self-lock switch S1 another termination power supply module, supplies
The negative pole contact relay K1 of electric module contact 2, the relay K1 device LS1 taking alarm of contact 3 positive pole, alarm LS1's is negative
End points is grounded altogether for pole connecting resistance R10 one end, the resistance R10 other end and metal-oxide-semiconductor Q3 source electrode.
Due to the use of above technical scheme, the present invention has the following advantages that compared with prior art；
1, with triode Q1, Q2 form difference channel, the signal of the triode Q1 direct receiving power Acquisition Circuit of base stage, three
Signal of the pole pipe Q1 emitter stage through resistance R2 receiving power Acquisition Circuits, triode Q2 conducting current potential is the stagnant of triode Q1
The latter turns on current potential, and drift angle is 90 degree, can filter off the abnormal signal in power signal, while in order to efficiently control
Drive early warning circuit, devise transport and placing device U1B carry out it is scaling, improve the intensity of control signal, improve alert operation
The accuracy of efficiency and the power signal.
2, Rubber Conveyor Belt Scrap motor overload work, the power signal of power collecting circuit collection is abnormal signal, driving
The metal-oxide-semiconductor Q3 conductings of early warning circuit, relay K1 obtain electric, and the contact of relay K1 contact 1,2 is changed into the contact of contact 1,3, rubber
The motor power supply module open circuit of conveyer belt, Rubber Conveyor Belt Scrap are stopped, while siren LS1 work alarms, remind work people
Member's maintenance.The motor that staff can also cut off Rubber Conveyor Belt Scrap by self-lock switch S1 is powered, and reaches jerk purpose, effectively
Improve the service life of Rubber Conveyor Belt Scrap and motor.The present invention has reasonable in design, motor jerk precise control, alarm timely
Advantage.
Brief description of the drawings
Fig. 1 is a kind of circuit module figure of the present invention；
Fig. 2 is a kind of circuit theory diagrams of the present invention.
Marked in figure：1. power collecting circuit, 2. differential amplifier circuits, 3. driving early warning circuits.
Embodiment
For the present invention foregoing and other technology contents, feature and effect, in following cooperation with reference to figures 1 through accompanying drawing 2
To in the detailed description of embodiment, can clearly present.The structure content being previously mentioned in following examples, it is with specification
Accompanying drawing is reference.
Each exemplary embodiment of the present invention is described below with reference to accompanying drawings.
Embodiment one
In Fig. 1, Fig. 2, a kind of overload early-warning device of Rubber Conveyor Belt Scrap, it includes power collecting circuit 1, differential amplification electricity
Road 2 and driving early warning circuit 3, wherein, the motor power supply work(of the power harvester collection Rubber Conveyor Belt Scrap of power collecting circuit 1
Rate, through differential amplifier circuit 2 using triode Q1, Q2 composition difference channel conditioned power signals, and work(is amplified by transport and placing device U1B
Rate signal, drive signal of the power signal as driving early warning circuit 3 after the processing of differential amplifier circuit 2, the drive signal control
System driving early warning circuit 3 cuts off the motor current supply circuit of Rubber Conveyor Belt Scrap, and is alarmed.
In fig. 2, differential amplifier circuit 2 includes transport and placing device U1B and triode Q1, Q2, and triode Q1 base stage directly connects
Receive the signal of power collecting circuit 1, signal of the triode Q1 emitter stage through resistance R2 receiving powers Acquisition Circuit 1, triode
Q2 base stage is connected through resistance R2, R5 receives the signal of power collecting circuit 1, and triode Q1 colelctor electrode meets power supply+5V and electricity
R3 one end, resistance R3 another termination triode Q2 colelctor electrode are hindered, triode Q2 emitter stage connects transport and placing device through resistance R4
U1B inverting input, transport and placing device U1B homophase input terminating resistor R11, R6 one end and electric capacity C2 one end, resistance R11
Another termination power+5V, resistance R6 and electric capacity C2 the other end altogether end points ground connection, transport and placing device U1B in-phase input end feedback
Series resistance R7 on circuit.
In the present embodiment, differential amplifier circuit 2 is straight with triode Q1, Q2 composition difference channel, triode Q1 base stage
Connect the signal of receiving power Acquisition Circuit 1, signal of the triode Q1 emitter stage through resistance R2 receiving powers Acquisition Circuit 1, three
Stagnant the latter that pole pipe Q2 conducting current potential is triode Q1 turns on current potential, and drift angle is 90 degree, can be filtered off in power signal
Abnormal signal, while in order to efficiently control driving early warning circuit 3, devise transport and placing device U1B and carry out scaling, raising
The intensity of control signal.
Embodiment two
In fig. 2, on the basis of embodiment one, power collecting circuit includes model AD8318 power harvester J1, work(
Rate collector J1 power supply termination power+5V, power harvester J1 output termination capacitor C1 one end and resistance R1 one end
And triode Q1 base stage, power harvester J1 earth terminal ground connection, electric capacity C1 other end ground connection.
In the present embodiment, power collecting circuit 1 selects model AD8318 power harvester J1, with resistance R1 and electricity
Hold the RC circuit connected in series filtering of C1 compositions.
Embodiment three
In fig. 2, on the basis of embodiment two, driving early warning circuit 3 includes metal-oxide-semiconductor Q3, and metal-oxide-semiconductor Q3 grid meets inductance L1
One end and voltage-stabiliser tube D1 negative electrode, inductance L1 another terminating resistor R8 and electric capacity C3 one end, resistance R8 another termination
Transport and placing device U1B output end, the plus earth of electric capacity the C3 other end and voltage-stabiliser tube D1, metal-oxide-semiconductor Q3 drain electrode contact relay K1
Contact 5 and diode D2 positive pole, diode D2 negative pole contact relay K1 contact 4 and power supply+10V, relay K1's
The connecting resistance R9 of contact 1 one end, the resistance R9 other end are connected to lock-switch S1 one end, self-lock switch S1 another termination power supply
The positive pole of module, the negative pole contact relay K1 of power supply module contact 2, the relay K1 device LS1 taking alarm of contact 3 positive pole,
End points is grounded altogether for alarm LS1 negative pole connecting resistance R10 one end, the resistance R10 other end and metal-oxide-semiconductor Q3 source electrode.
In the present embodiment, driving early warning circuit 3 receives the power signal after differential amplifier circuit 2 is handled from metal-oxide-semiconductor Q3.
During the motor load of Rubber Conveyor Belt Scrap, the power signal that power collecting circuit 1 gathers is abnormal signal, drives early warning circuit
Metal-oxide-semiconductor Q3 base potentials are high level, metal-oxide-semiconductor Q3 conductings, and relay K1 obtains electric, and the relay K1 contact of contact 1,2 is changed into tactile
The contact of point 1,3, the motor power supply module open circuit of Rubber Conveyor Belt Scrap, Rubber Conveyor Belt Scrap are stopped, while siren LS1 work reports
It is alert, remind staff's maintenance.The motor that staff can also cut off Rubber Conveyor Belt Scrap by self-lock switch S1 is powered, and is reached
Jerk purpose.
When the present invention is specifically used, its power collecting circuit 1 gathers the motor output power of Rubber Conveyor Belt Scrap, is put through difference
Big circuit 2 forms difference channel conditioned power signals using triode Q1, Q2, and by transport and placing device U1B amplifying power signals, difference
Drive signal of the power signal as driving early warning circuit 3 after the processing of amplifying circuit 2, drive signal control driving early warning electricity
Road cuts off Rubber Conveyor Belt Scrap power supply module and alarmed.Wherein, differential amplifier circuit 2 forms difference channel with triode Q1, Q2,
The signal of the triode Q1 direct receiving power Acquisition Circuit 1 of base stage, triode Q1 emitter stage are adopted through resistance R2 receiving powers
The signal of collector 1, stagnant the latter that triode Q2 conducting current potential is triode Q1 turn on current potential, and drift angle is 90 degree, can be with
The abnormal signal in power signal is filtered off, while in order to efficiently control driving early warning circuit, devises transport and placing device U1B and enters
Row is scaling, improves the intensity of control signal；After driving early warning circuit 3 to receive the processing of differential amplifier circuit 2 from metal-oxide-semiconductor Q3
Power signal, Rubber Conveyor Belt Scrap overload work when, power collecting circuit 1 gather power signal be abnormal signal, drive
The metal-oxide-semiconductor Q3 conductings of early warning circuit 3, relay K1 obtain electric, and the contact of relay K1 contact 1,2 is changed into the contact of contact 1,3, rubber
The motor power supply module open circuit of conveyer belt, Rubber Conveyor Belt Scrap are stopped, while siren LS1 work alarms, remind work people
Member's maintenance.
The present invention has the advantages of reasonable in design, motor jerk precise control, alarm is timely.
Described above is to combine embodiment further description made for the present invention, it is impossible to assert the present invention
Specific implementation is limited only to this；For belonging to the present invention and for those skilled in the technology concerned, based on skill of the present invention
Under the premise of art scheme thinking, the expansion made and operating method, the replacement of data, should all fall the scope of the present invention it
It is interior.
Claims (3)
1. a kind of overload early-warning device of Rubber Conveyor Belt Scrap, it is pre- that it includes power collecting circuit, differential amplifier circuit and driving
Alert circuit, it is characterised in that：The motor output power of the power harvester collection Rubber Conveyor Belt Scrap of the power collecting circuit, warp
Differential amplifier circuit is believed using triode Q1, Q2 composition difference channel conditioned power signals by transport and placing device U1B amplifying powers
Number, drive signal of the power signal as driving early warning circuit after differential amplifier circuit processing, drive signal control driving
Early warning circuit cuts off the motor current supply circuit of Rubber Conveyor Belt Scrap, and is alarmed；
The differential amplifier circuit includes transport and placing device U1B and triode Q1, Q2, the triode Q1 direct receiving power collection of base stage
The signal of circuit, signal of the triode Q1 emitter stage through resistance R2 receiving power Acquisition Circuits, triode Q2 base stage is through electricity
The signal that R2, R5 series connection receive power collecting circuit is hindered, triode Q1 colelctor electrode connects power supply+5V and resistance R3 one end, electricity
R3 another termination triode Q2 colelctor electrode is hindered, triode Q2 emitter stage connects transport and placing device U1B anti-phase input through resistance R4
End, transport and placing device U1B homophase input terminating resistor R11, R6 one end and electric capacity C2 one end, resistance R11 another termination electricity
End points is grounded source+5V, resistance R6 and electric capacity the C2 other end altogether, series electrical on transport and placing device U1B in-phase input end feedback circuit
Hinder R7.
A kind of 2. overload early-warning device of Rubber Conveyor Belt Scrap according to claim 1, it is characterised in that：The power is adopted
Collector includes model AD8318 power harvester J1, power harvester J1 power supply termination power+5V, power harvester
J1 output termination capacitor C1 one end and resistance R1 one end and triode Q1 base stage, power harvester J1 earth terminal
Ground connection, electric capacity C1 other end ground connection.
A kind of 3. overload early-warning device of Rubber Conveyor Belt Scrap according to claim 1 or 2, it is characterised in that：The drive
Dynamic early warning circuit includes metal-oxide-semiconductor Q3, and metal-oxide-semiconductor Q3 grid connects inductance L1 one end and voltage-stabiliser tube D1 negative electrode, and inductance L1's is another
One terminating resistor R8 and electric capacity C3 one end, resistance R8 another termination transport and placing device U1B output end, the electric capacity C3 other end and
Voltage-stabiliser tube D1 plus earth, metal-oxide-semiconductor Q3 drain electrode contact relay K1 contact 5 and diode D2 positive pole, diode D2's
Negative pole contact relay K1 contact 4 and power supply+10V, the relay K1 connecting resistance R9 of contact 1 one end, the resistance R9 other end
It is connected to lock-switch S1 one end, the positive pole of self-lock switch S1 another termination power supply module, the negative pole contact relay of power supply module
K1 contact 2, the relay K1 device LS1 taking alarm of contact 3 positive pole, alarm LS1 negative pole connecting resistance R10 one end, electricity
Hinder the common end points ground connection of source electrode of the R10 other end and metal-oxide-semiconductor Q3.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710943528.6A CN107526035A (en) | 2017-10-11 | 2017-10-11 | A kind of overload early-warning device of Rubber Conveyor Belt Scrap |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710943528.6A CN107526035A (en) | 2017-10-11 | 2017-10-11 | A kind of overload early-warning device of Rubber Conveyor Belt Scrap |
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| CN107526035A true CN107526035A (en) | 2017-12-29 |
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| CN201710943528.6A Pending CN107526035A (en) | 2017-10-11 | 2017-10-11 | A kind of overload early-warning device of Rubber Conveyor Belt Scrap |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108205857A (en) * | 2017-12-05 | 2018-06-26 | 西安工程大学 | A kind of electrical communication system |
| CN108237916A (en) * | 2018-02-10 | 2018-07-03 | 兰州交通大学 | A kind of Vehicle Speed detects regulating device |
| CN110176851A (en) * | 2019-05-14 | 2019-08-27 | 郑州工业应用技术学院 | A kind of electric power regulation device |
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| CN207263892U (en) * | 2017-10-11 | 2018-04-20 | 荣成市华诚橡胶有限公司 | A kind of overload early-warning device of Rubber Conveyor Belt Scrap |
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| CN2596668Y (en) * | 2002-11-20 | 2003-12-31 | 中国人民解放军空军第二航空学院 | Active feedback voltage follower |
| CN201945621U (en) * | 2010-12-09 | 2011-08-24 | 河南天海科技有限公司 | High-side current detecting circuit |
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| CN108205857A (en) * | 2017-12-05 | 2018-06-26 | 西安工程大学 | A kind of electrical communication system |
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