CN2275712Y - Automatic spraying dusting regulator - Google Patents
Automatic spraying dusting regulator Download PDFInfo
- Publication number
- CN2275712Y CN2275712Y CN 95226796 CN95226796U CN2275712Y CN 2275712 Y CN2275712 Y CN 2275712Y CN 95226796 CN95226796 CN 95226796 CN 95226796 U CN95226796 U CN 95226796U CN 2275712 Y CN2275712 Y CN 2275712Y
- Authority
- CN
- China
- Prior art keywords
- resistance
- connects
- signal
- unit
- output
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
The utility model relates to an automatic spraying dusting regulator, which is composed of a dust-concentration measuring sensor, an automatic regulating instrument, an actuator and a water-mist spraying head. The utility model can automatically open and close an electric regulating valve in the actuator according to the dust concentration. When coal is a little wet, and the quantity of dust is very little or no dust exists, the utility model can automatically close the electric regulating valve, and the operating value of the utility model can be set at random. When the dust concentration reaches the set operating value, the valve is opened; when the dust concentration is lower than the set operating value, the valve is closed. The utility model has the advantages of no need of artificial operation, simple structure and convenient maintenance. After the utility model is debugged, and the value is determined, all the measuring and regulating processes can be automatically carried out. The automatic spraying dusting regulator is an ideal automatic on-line monitoring and dust-removing device for the dust.
Description
The utility model belongs to automatic dedusting field, is specifically related to a kind of spray for dust suppression self-checking device.
At present, the supplied materials traffic requirements of some industrial and mining enterprises is carried by belt, and as the conveying of coal in coal-burning power plant, the mine, the conveying of cement mill building stones is medium all to exist serious dust pollution, and spray dust remover a few days ago has plenty of according to the work of belt turn signal, and belt is once rotating spraying; Have plenty of according to the severe signal work of belt, coal is arranged on the belt after weight strengthen just spraying; Having plenty of according to having or not coal on the belt is signal, load onto infrared and receiving tube at the belt two ends, when on the belt coal being arranged, cover infrared ray, make the solenoid valve action, above-mentioned three kinds of methods be by belt rotate or belt on just spray when coal is arranged, and no matter have or not doing of dust and coal wet, have to the people when (as the rainy day), dust was very little or dustless when coal is wet for closing water swivel.
Existing spray for dust suppression system adopts solenoid valve to control spraying, only opens and close two states, can not regulate the size of spray amount according to the size of Dust Capacity automatically, therefore a large amount of waste water resources.Do not have powder concentration measurement and display system in addition, how many dust concentrations is, the several fog-spray nozzles of input all will be estimated artificially.
The purpose of this invention is to provide a kind of manual operation, simple in structure, good dedusting effect, saving water source, spray for dust suppression self-checking device that cost is low of need not.
This device is by powder concentration measurement sensor 1, automatic adjusting apparatus 2, topworks 3, water smoke unit 4 is formed, automatically adjusting apparatus is by additional electromotive force 5, signal is amplifying unit 6 relatively, inverse logarithm arithmetic element 7, V/I converter unit 8, manual operation unit 9, digital indicator 10, definite value unit 11 is formed, topworks 3 is by servoamplifier 12, electric control valve 13, valve position feedback signal indicator gauge 14 is formed, wherein, the output that the dust concentration value can be converted to the powder concentration measurement sensor 1 of electric signal is connected with signal comparison amplifying unit 6 input ends that can carry out the signal comparison, the additional electromotive force 5 of the extraneous veiling glare mushing error that energy offset measurement sensor produces is connected with another input end that signal compares amplifying unit 6, signal after relatively amplifying enters the inverse logarithm arithmetic element 7 that can carry out the inverse logarithm computing, after the computing output one with the proportional voltage signal of dust concentration, the output one tunnel of this voltage signal enters V/I converter unit 8 through switch K1, one the tunnel is connected with digital indicator 10 through switch K2, one the tunnel is connected with definite value unit 11, the output one tunnel of definite value unit 11 is connected with the output terminal of V/I converter unit 8, one the tunnel is connected with digital indicator 10 through switch K2, V/I converter unit 8 has the output of two-way standard signal, can choose one the tunnel as required wantonly is connected with topworks 3, reach and close and open electric control valve 13 and then control spraying automatically, the signal feedback of control electric control valve can be connected across between electric control valve and the servoamplifier to the valve position signal indicator gauge of servoamplifier, manual operation unit 9 passes through switch K1 and is connected with the input end of V/I converter unit 8.
The powder concentration measurement sensor 1 of this device is made up of radiating portion and receiving unit, radiating portion is by micromotor 15, bulb 16, cleaning felt 17, rotary glass sheet 18, shell 20 is formed, receiving unit is by micromotor 15, cleaning felt 17, rotary glass sheet 18, photoelectric cell 19, shell 20 is formed, in transmitting terminal and receiving end shell, be fixed with micromotor 15 respectively, be fixed with rotary glass sheet 18 on the output shaft of two micromotors respectively, the cleaning felt that has scallop hole is separately fixed at the outside of rotary glass sheet, the inside of glass sheet seals bulb 16 with annular cleaning felt 17, photoelectric cell 19 is contained in the interior scallop hole of aiming at the cleaning felt of shell of transmitting terminal and receiving end respectively and fixes.
The utlity model has following advantage:
1. the whole robotizations of course of action, can open and close automatically electric control valve according to dust concentration, and can be according to the aperture of the height automatic regulating valve door of dust concentration, when fire coal is wet, dust quantity is very little or when dustless, can automatic-closing valve, therefore conserve water resource effectively, its working value can be set arbitrarily, when dust concentration reaches the working value of setting, and valve opening, when being lower than the working value of setting, valve closing;
2. need not manual operation, simple in structure, easy to maintenance, this system is once debugging, and after definite value was intact, all were measured and adjustment process is carried out automatically;
3. adjusting apparatus is provided with automatically---hand switch, and the aperture of control valve is easy to use manually;
4. the rotary glass sheet on the powder concentration measurement sensor is wiped ash automatically by the cleaning felt, can avoid influencing accuracy of detection because of dust adheres to;
5. good dedusting effect, dust removal efficiency can reach 〉=and 98%, when dust concentration≤500mg/m3, drop into and can reach after this system≤national standard of 10mg/m3;
6. need not collect dust and carry out secondary treating, water smoke is pressed to coal-fired surface to dust, adheres on the fire coal, therefore can not cause the removal of home and the secondary pollution of dust;
7. the working value of the dust concentration value in dirt source and setting can directly be shown by numeral, is convenient to the operations staff and in time grasps;
8. the aperture of motor regulated valve shows 0～100% by valve position feedback signal indicator gauge, can observe the spray situation of water smoke from the outside very easily.
Embodiment of the present utility model respectively schemes referring to following:
Fig. 1 is a functional-block diagram of the present utility model
Fig. 2 is the cut-open view of powder concentration measurement sensor
Fig. 3 is the circuit theory diagrams of automatic adjusting apparatus
Fig. 4 is the front panel figure of automatic adjusting apparatus
Fig. 5 has the synoptic diagram in the place of coal dust drop at coal conveyer belt for waterfog head and powder concentration measurement transducer arrangements
Fig. 6 is the vertical view of Fig. 5
Among the figure:
1---powder concentration measurement sensor 2---be adjusting apparatus automatically
3---topworks 4---water smoke unit
5---additional electromotive force 6---signal proportion amplifying unit
7---inverse logarithm arithmetic element 88---V/I converter unit
9---manual operation unit 10---digital indicator
11---definite value unit 12---servoamplifier
13---electric controller 14---valve position feedback signal indicator gauge
15---micromotor 16---bulb
17---cleaning felt (fine felt) 18---rotary glass sheet
19---photoelectric cell 20---shell
21---definite value pilot lamp 22---coal spout
23---coal conveyer belts 24---sealing fixed support
25---shower nozzle 26---end dust cover
27---the dustproof curtain R13 that overflows---thermistor
R1～R39---resistance C1, C3---electrochemical capacitor
C2, C4～C7---electric capacity W1～W9---potentiometer
Ws---manual adjustments potentiometer W
D---the definite value regulator potentiometer
Rs, R
D---divider resistance T1～T5---triode
IC1---differential amplifier IC2, IC3---inverse logarithm arithmetical unit
IC4, IC6, IC8, IC9---voltage follower IC5, IC7---V/I transducer
IC10---voltage comparator
K1---manual change-over switch automatically---
K2-output---definite value shows switch
The utility model is described in further detail below in conjunction with accompanying drawing:
Fig. 1 discloses the theory diagram of this device, by powder concentration measurement sensor 1, automatic adjusting apparatus 2, topworks 3, water smoke unit 4 is formed, automatically adjusting apparatus is by additional electromotive force 5, signal is amplifying unit 6 relatively, inverse logarithm arithmetic element 7, V/I converter unit 8, manual operation unit 9, digital indicator 10, definite value unit 11 is formed, topworks 3 is by servoamplifier 12, electric control valve 13, valve position feedback signal indicator gauge 14 is formed, wherein, the output that the dust concentration value can be converted to the powder concentration measurement sensor 1 of electric signal is connected with signal comparison amplifying unit 6 input ends that can carry out the signal comparison, the additional electromotive force 5 of the extraneous veiling glare mushing error that energy offset measurement sensor produces is connected with another input end that signal compares amplifying unit 6, signal after the amplification enters the inverse logarithm arithmetic element 7 that can carry out the inverse logarithm computing, after the computing output one with the proportional voltage signal of dust concentration, the output one tunnel of this voltage signal enters V/I converter unit 8 through switch K1, one the tunnel is connected with digital indicator 10 through switch K2, one the tunnel is connected with definite value unit 11, the output one tunnel of definite value unit 11 is connected with the output terminal of V/I converter unit 8, one the tunnel is connected with digital indicator 10 through switch K2, V/I converter unit 8 has the output of two-way standard signal, can choose one the tunnel as required wantonly is connected with topworks 3, reach and close and open electric control valve 13 and then control spraying automatically, the signal feedback of control electric control valve can be connected across between electric control valve and the servoamplifier to the valve position signal indicator gauge of servoamplifier, manual operation unit 9 passes through switch K1 and is connected with the V/I converter unit.
Fig. 2 discloses the wiring layout of this device powder concentration measurement sensor 1, form by radiating portion and receiving unit, radiating portion is by micromotor 15, bulb 16, fine felt 17, rotary glass sheet 18, shell 20 is formed, receive and all divide by micromotor 15, fine felt 17, rotary glass sheet 18, photoelectric cell 19, shell 20 is formed, in transmitting terminal and receiving end shell, be fixed with micromotor 15 respectively, be fixed with rotary glass sheet 18 on the output shaft of two micromotors respectively, the fine felt that has scallop hole is separately fixed at the two ends of rotary glass sheet, bulb 16, photoelectric cell 19 is contained in the interior scallop hole of aiming at fine felt of shell of transmitting terminal and receiving end respectively and fixes, the relative top that is installed in coal breakage scraper-trough conveyer and coal guide groove joining place with radiating portion of the receiving unit of this sensor keeps coaxial and fan-shaped correspondence such as Fig. 5 the capillary felt, shown in Figure 6.
Fig. 3 discloses this and has installed the circuit theory diagrams of automatic adjusting apparatus, the difference amplifying unit is by resistance R 2～R5, electrochemical capacitor C1, differential amplifier IC1 forms, additional electromotive force is made up of resistance R 1 potentiometer W1, by the powder concentration measurement sensor to voltage signal through resistance R 3, R4 is connected with the positive input terminal of differential amplifier IC1 and through electrochemical capacitor C1 ground connection, the positive voltage that power supply provides is through resistance R 1, potentiometer W1 ground connection, the movable end of W1 is connected with the negative input end of differential amplifier through resistance R 2, resistance R 5 is connected across between the negative input end and output terminal of IC1, and the output terminal of IC1 connects with the inverse logarithm arithmetic element.
Inverse logarithm arithmetic element 6 is by resistance R 6～R12, R14～R18, thermistor R13, electrochemical capacitor C3, capacitor C 2, C4, potentiometer W2～W5, triode T1, T2 and IC2, the inverse logarithm arithmetical unit that IC3 forms is formed, the output of difference amplifying unit is through potentiometer W3, resistance R 9, R12, thermistor R13 ground connection, the movable end of W3 is connected between W3 and the R9, drawing two paths of signals one tunnel between R9 and R12 connects with the base stage of triode T1, one the tunnel through electrochemical capacitor C2 ground connection, the positive supply of device is through potentiometer W2, resistance R 7, R6 connects the negative input end of IC2, the movable end of W2 is connected across between W2 and the R7, between R7 and R6, draw a signal through resistance R 8 ground connection, drawing a signal between the negative input end of R6 and IC2 connects with the collector of T1, the positive input terminal of IC2 is through resistance R 10 ground connection, capacitor C 3 is connected across between the negative input and output terminal of IC2, the output of IC2 is through resistance R 11 and T1, the emitter of T2 links, the base earth of T2, the collector one tunnel of T2 connects with the negative input end of IC3, one the tunnel connects with the output terminal of IC3 through resistance R 14, capacitor C 4 is connected across between the negative input end and output terminal of IC3, the positive input terminal of IC3 is through resistance R 15, R16 ground connection, drawing a signal between R15 and R16 connects through the movable end of resistance R 17 with potentiometer W4, two of W4 terminates on the positive-negative power of device, the output one tunnel of IC3 connects the movable contact 3 of K switch 1, one the tunnel through resistance R 18, potentiometer W5 ground connection, the movable end ground connection of W5.
Manually the unit is made up of Rs and Ws, presses signal through resistance R s, potentiometer Ws ground connection by the positive supply power taking of device, and the movable end of Ws connects with the movable end 1 of K switch 1.
The V/I converting unit is by voltage follower IC4, IC6, V/I transducer IC5, IC7, resistance R 19～R34, potentiometer W6～W9 forms, wherein the signal one tunnel of being drawn by the stiff end of K1 connects with the forward transportation △ end of IC4 through resistance R 20, the negative input end of IC4 and output terminal short circuit, the output terminal of IC4 connects with the positive input terminal of IC5 through resistance R 21, the negative input end of IC5 is through resistance R 22, potentiometer W6 ground connection is also drawn a lead-out terminal, the movable end ground connection of W6, draw a signal through resistance R 25 at the negative input end of IC5, R26 succeeds electrical equipment contact J1 as lead-out terminal, the positive input terminal of IC5 is succeeded electrical equipment contact J1 through resistance R 23, three terminals of W7 are connected on three pins of IC5, the output of IC5 connects the base stage of T3 through resistance R 24, capacitor C 5 is connected across between the negative input and output terminal of IC5, the collector of T3 connects positive supply, the emitter of T3 is connected between resistance R 25 and the R26, another road signal of being drawn by the solid top of K1 connects with the positive input terminal of IC6 through resistance R 19, the negative input end of IC6 and output terminal short circuit, the output terminal of IC6 connects with the positive input terminal of IC7 through resistance R 27, the negative input end of IC7 is through resistance R 28, potentiometer W8, resistance R 29 is drawn a lead-out terminal, the movable end of W8 connects with resistance R 29, the negative supply of device is through W9, R33 is connected between R29 and the W8, the movable end of W9 is connected on the negative supply, draw a signal through resistance R 32 at the negative input end of IC7, R34 succeeds electrical equipment contact J2 as lead-out terminal, the positive input terminal of IC7 is succeeded electrical equipment contact J2 through resistance R 30, the output of IC7 connects the base stage of T4 through resistance R 31, capacitor C 6 is connected across between the negative input and output terminal of IC7, the collector plate of T4 connects positive supply, and the emitter of T4 is connected between resistance R 32 and the R34.
Fig. 4 discloses the front panel figure of adjusting apparatus in the device, has definite value to regulate pilot lamp 21, digital indicator 10, manual-automatic change over K1, output---and definite value shows that switch K2, manual adjustments potentiometer Ws, definite value regulator potentiometer WD form.
Fig. 5, Fig. 6 discloses powder concentration measurement sensor 1, waterfog head 25 is arranged in the synoptic diagram that coal conveyer belt has the place of coal dust drop, end dust cover 26 all is housed above the coal conveyer belt that the coal dust drop is arranged, fall on the coal conveyer belt 23 from the raw coal that coal spout 22 gets off, its dust concentration in the dust cover of end is bigger, the radiating portion of powder concentration measurement sensor is fixed by sealing fixed support 24 with the coaxial relative top that is contained in the end protective cover of close coal spout of receiving unit, and waterfog head is contained in the end dust cover on powder concentration measurement sensor next door.
The principle of work of this device is as follows:
By the powder concentration measurement sensor to dust concentration signal Em and the additional electric potential signal Eo positive input terminal that is input to differential amplifier IC1 simultaneously and negative input end carry out difference and amplify, (Em-Eo) signal (becoming logarithmic relationship with dust concentration) after the amplification enters the inverse logarithm arithmetic element and carries out the inverse logarithm computing, for preventing the influence of temperature to operational precision, in circuit, be provided with the triode T1 of butt joint, T2 and thermistor R13, can compensate automatically temperature, W2 is range (full scale) regulator potentiometer, W3 is a linearity regulator potentiometer, and W4 is the initial value regulator potentiometer.Signal after the inverse logarithm computing is for becoming the voltage signal of better linearity relation with dust concentration, this signal is divided into two-way, one the tunnel through resistance R 18, send into the concentration that digital indicator demonstrates dust after the potentiometer W5 dividing potential drop, another road enters IC5 through the voltage follower of IC4 and IC6 composition, the V/I transducer that IC7 forms, the linear signal of operational amplifier IC3 output is transformed into the normalized current output of corresponding 0～10mA and 4～20mA, W6 in the V/I converter unit, W8 is the balancing potentiometer, W7 is for transferring the imbalance potentiometer, and W9 is 4～20mA output initial value regulator potentiometer.
The manual adjustments circuit is composed in series by Rs and Ws, produces an analog voltage signal, is input to the V/I translation circuit through switch K1, in order to adjustment criteria electric current output manually.
The definite value unit is made up of voltage follower IC8 and IC9, voltage comparator ic 10, triode T5, at W
DOn the voltage signal obtained compare with the dust concentration signal of after resistance R 18 and W5 dividing potential drop, obtaining, when the dust concentration signal is lower than set value signal, relay J is failure to actuate, contact J1 and J2 disconnect, the actuating of relay when the dust concentration signal is higher than the working value of setting, J1 and J2 connect, and output two-way normalized current is selected to use according to user's needs.
Debugging step and application notice:
1. photoelectric source is disconnected, the illuminator of powder concentration measurement sensor is extinguished, adjust W1, make the numeral of instrument be shown as full scale, output current is 10mA (or 20mA);
2. connection photoelectric source is adjusted the potentiometer of photoelectric source, increases or reduces photoelectric source voltage, makes digital indicator be stabilized in 0mg/m3, and electric current is output as 0mA (or 4mA);
To measure the definite value switch and get to the definite value position, regulate definite value potentiometer W
D(front panel) makes digital indicator is desirable numerical value (as 10mg/m3), the minimum current of the size decision motorized adjustment opening of valves of this numerical value, promptly dust concentration is when this value is following, and electric control valve closes extremely fully, when dust concentration surpassed definite value, variable valve reached corresponding aperture;
3. when before the trend manual switchover, should regulate manual adjustments potentiometer Ws, when making the total indicator reading of potentiometer and reading that valve is indicating gauge suitable, switch again to manually, the disturbance when avoiding switching earlier according to the reading of valve position indicating gauge;
4. should regularly clean the glass sheet of powder concentration measurement sensor.
The output current of this device:
0～10mA (DC)
4～20mA (DC)
Supply voltage: 220V 50HZ
Environment for use temperature :-10 ℃～+ 45 ℃
The power supply of this device is :+15V, ± 12V ,+6V.
Claims (7)
1. spray for dust suppression self-checking device, by powder concentration measurement sensor 1, automatic adjusting apparatus 2, topworks 3, water smoke unit 4 is formed, it is characterized in that automatic adjusting apparatus is by additional electromotive force 5, signal is amplifying unit 6 relatively, inverse logarithm arithmetic element 7, V/I converter unit 8, manual operation unit 9, digital indicator 10, definite value unit 11 is formed, topworks 3 is by servoamplifier 12, electric control valve 13, valve position feedback signal indicator gauge 14 is formed, wherein, the output that the dust concentration value can be converted to the powder concentration measurement sensor 1 of electric signal is connected with signal comparison amplifying unit 6 input ends that can carry out the signal comparison, the additional electromotive force 5 of the extraneous veiling glare mushing error that energy offset measurement sensor produces is connected with another input end that signal compares amplifying unit 6, signal after relatively amplifying enters the inverse logarithm arithmetic element 7 that can carry out the inverse logarithm computing, after the computing output one with the proportional voltage signal of dust concentration, the output one tunnel of this voltage signal enters V/I converter unit 8 through switch K1, one the tunnel is connected with digital indicator 10 through switch K2, one the tunnel is connected with definite value unit 11, the output one tunnel of definite value unit 11 is connected with the output terminal of V/I converter unit 8, one the tunnel is connected with digital indicator 10 through switch K2, V/I converter unit 8 has the output of two-way standard signal, can choose one the tunnel as required wantonly is connected with topworks 3, reach and close and open electric control valve 13 and then control spraying automatically, the signal feedback of control electric control valve can be connected across between electric control valve and the servoamplifier to the valve position signal indicator gauge of servoamplifier, manual operation unit 9 passes through switch K1 and is connected with the input end of V/I converter unit 8.
2. device according to claim 1, it is characterized in that powder concentration measurement sensor 1 is made up of radiating portion and receiving unit, radiating portion is by micromotor 15, bulb 16, cleaning felt 17, rotary glass sheet 18, shell 20 is formed, receiving unit is by micromotor 15, cleaning felt 17, rotary glass sheet 18, photoelectric cell 19, shell 20 is formed, in transmitting terminal and receiving end shell, be fixed with micromotor 15 respectively, be fixed with rotary glass sheet 18 on the output shaft of two micromotors respectively, the cleaning felt that has scallop hole is separately fixed at the outside of rotary glass sheet, the inside seals bulb 16 with annular cleaning felt, photoelectric cell 19 is contained in the interior scallop hole of aiming at the cleaning felt of shell of transmitting terminal and receiving end respectively and fixes.
3. device according to claim 1, the difference amplifying unit that it is characterized in that it is by resistance R 2～R5 electrochemical capacitor C1, differential amplifier IC1 forms, additional electromotive force is made up of resistance R 1 potentiometer W1, by the powder concentration measurement sensor to voltage signal through resistance R 3, R4 is connected with the positive input terminal of differential amplifier IC1 and through electrochemical capacitor C1 ground connection, the positive voltage that power supply provides is through resistance R 1, potentiometer W1 ground connection, the movable end of W1 is connected with the negative input end of differential amplifier through resistance R 2, resistance R 5 is connected across between the negative input end and output terminal of IC1, and the output terminal of IC1 connects with the inverse logarithm arithmetic element.
4. device according to claim 1, the inverse logarithm arithmetic element that it is characterized in that it is by resistance R 6～R12, R14～R18, thermistor R13, electrochemical capacitor C3, capacitor C 2, C4, potentiometer W2～W5, triode T1, T2 and IC2, IC3, the inverse logarithm arithmetical unit of forming is formed, the output of difference amplifying unit is through potentiometer W3, resistance R 9, R12, thermistor R13 ground connection, the movable end of W3 is connected between W3 and the R9, drawing two paths of signals one tunnel between R9 and R12 connects with the base stage of triode T1, one the tunnel through electrochemical capacitor C2 ground connection, the positive supply of device is through potentiometer W2, resistance R 7, R6 connects the negative input end of IC2, the movable end of W2 is connected across between W2 and the R7, between R7 and R6, draw a signal through resistance R 8 ground connection, drawing a signal between the negative input end of R6 and IC2 connects with the collector of T1, the positive input terminal of IC2 is through resistance R 10 ground connection, capacitor C 3 is connected across between the negative input and output terminal of IC2, the output of IC2 is through resistance R 11 and T1, the emitter of T2 links, the base earth of T2, the collector one tunnel of T2 connects with the negative input end of IC3, one the tunnel connects with the output terminal of IC3 through resistance R 14, capacitor C 4 is connected across between the negative input end and output terminal of IC3, the positive input terminal of IC3 is through resistance R 15, R16 ground connection, drawing a signal between R15 and R16 connects through the movable end of resistance R 17 with potentiometer W4, two of W4 terminates on the positive-negative power of device, the output one tunnel of IC3 connects the movable contact 3 of K switch 1, one the tunnel through resistance R 18, potentiometer W5 ground connection, the movable end ground connection of W5.
5. device according to claim 1, the definite value unit 11 that it is characterized in that it is by voltage follower IC8, IC9, voltage comparator ic 10, resistance R
D, R35～R39, capacitor C 7, diode D1, D2, triode T5, potentiometer W
D, relay coil J forms, wherein, drawing a signal between the R18 of inverse logarithm unit and W5 leads up to the movable contact 1 of K switch 2 and connects with digital indicator 10, one the tunnel connects the positive input terminal of definite value unit IC9, the negative input end of IC9 and output terminal short circuit, the output terminal of IC9 connects with the positive input terminal of IC10 through resistance R 35, and the another one movable contact 3 of K switch 2 connects with the IC8 positive input terminal and and W
DMovable end connect, positive supply is through resistance R
D, W
DGround connection, the negative input end of IC8 and output terminal short circuit, the output terminal of IC8 connects with the negative input end of IC10 through resistance R 36, and draw a signal through resistance R 38, R39 ground connection, in the two ends of R38 cross-over connection one capacitor C 7, the emitter of T5 is connected between R38 and the R39, the output terminal of IC10 connects the base stage of T5 through resistance R 37, and draw a signal through reversal connection diode D1 ground connection from the base stage of T5, the collector connecting relay coil J of T5, the two ends anode that the positive supply of another terminating set of J, diode D2 are connected across relay connects with the collector of T5.
6. device according to claim 1, the V/I converting unit that it is characterized in that it is by voltage follower IC4, IC6, V/I is parallel operation IC5 just, IC7, resistance R 19～R34, potentiometer W6～W9 forms, wherein the signal one tunnel of being drawn by the stiff end of K1 connects with the positive input terminal of JC4 through resistance R 20, the negative input end of IC4 and output terminal short circuit, the output terminal of IC4 connects with the positive input terminal of IC5 through resistance R 21, the negative input end of IC5 is through resistance R 22, potentiometer W6 ground connection is also drawn a lead-out terminal, the movable end ground connection of W6, draw a signal through resistance R 25 at the negative input end of IC5, R26 succeeds electrical equipment contact J1 as lead-out terminal, the positive input terminal of IC5 is succeeded electrical equipment contact J1 through resistance R 23, three terminals of W7 are connected on three pins of IC5, the output of IC5 connects the base stage of T3 through resistance R 24, capacitor C 5 is connected across between the negative input and output terminal of IC5, the collector of T3 connects positive supply, the emitter of T3 is connected between resistance R 25 and the R26, drawing another road signal by the stiff end of K1 connects with the positive input terminal of IC6 through resistance R 19, the negative input end of IC6 and output terminal short circuit, the output terminal of IC6 connects with the positive input terminal of IC7 through resistance R 27, the negative input end of IC7 is through resistance R 28, potentiometer W8, resistance R 29 is drawn a lead-out terminal, the movable end of W8 connects with resistance R 29, the negative supply of device is through W9, R33 is connected between R29 and the W8, the movable end of W9 is connected on the negative supply, draw a signal through resistance R 32 at the negative input end of IC7, R34 succeeds electrical equipment contact J2 as lead-out terminal, the positive input terminal of IC7 is succeeded electrical equipment contact J2 through resistance R 30, the output of IC7 connects the base stage of T4 through resistance R 31, capacitor C 6 is connected across between the negative input and output terminal of IC7, the collector of T4 connects positive supply, and the emitter of T4 is connected between resistance R 32 and the R34.
7. device according to claim 1 is characterized in that its manual unit is made up of Rs and Ws, presses signal through Rs, Ws ground connection by the positive supply power taking of device, and the movable end of Ws connects with the movable end 1 of K switch 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95226796 CN2275712Y (en) | 1995-12-01 | 1995-12-01 | Automatic spraying dusting regulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95226796 CN2275712Y (en) | 1995-12-01 | 1995-12-01 | Automatic spraying dusting regulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2275712Y true CN2275712Y (en) | 1998-03-04 |
Family
ID=33872855
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 95226796 Expired - Fee Related CN2275712Y (en) | 1995-12-01 | 1995-12-01 | Automatic spraying dusting regulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2275712Y (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101722123B (en) * | 2008-10-16 | 2012-11-21 | 沈阳铝镁设计研究院有限公司 | Spraying control method and system for environmental protection |
| CN102794073A (en) * | 2012-09-10 | 2012-11-28 | 戴若夫 | Indoor air purification and dust removal system for automatically detecting and controlling dust concentration |
| WO2014000526A1 (en) * | 2012-06-27 | 2014-01-03 | 湖南三德科技股份有限公司 | Automatic dust removing method for sample preparation and dust removing system thereof |
| CN103934106A (en) * | 2014-05-06 | 2014-07-23 | 福建省雾精灵环境科技有限公司 | Negative ion spraying dust removal device |
| CN104399337A (en) * | 2014-11-25 | 2015-03-11 | 广西农垦糖业集团红河制糖有限公司 | Boiler chimney dust collection system and dust collection method |
| CN104759172A (en) * | 2015-04-22 | 2015-07-08 | 福州汇智集佳电子技术有限公司 | Efficient haze removal method |
| CN106052472A (en) * | 2015-04-13 | 2016-10-26 | 莱希勒有限公司 | Spray device and method for operating spraying device |
| CN106707014A (en) * | 2017-03-08 | 2017-05-24 | 北京瑞普三元仪表有限公司 | 4-20mA two-wire passive current loop measurement instrument |
| CN107499973A (en) * | 2017-08-03 | 2017-12-22 | 山西潞安煤基合成油有限公司 | Boiler Ash storehouse steam dust removing device |
-
1995
- 1995-12-01 CN CN 95226796 patent/CN2275712Y/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101722123B (en) * | 2008-10-16 | 2012-11-21 | 沈阳铝镁设计研究院有限公司 | Spraying control method and system for environmental protection |
| WO2014000526A1 (en) * | 2012-06-27 | 2014-01-03 | 湖南三德科技股份有限公司 | Automatic dust removing method for sample preparation and dust removing system thereof |
| CN102794073A (en) * | 2012-09-10 | 2012-11-28 | 戴若夫 | Indoor air purification and dust removal system for automatically detecting and controlling dust concentration |
| CN103934106A (en) * | 2014-05-06 | 2014-07-23 | 福建省雾精灵环境科技有限公司 | Negative ion spraying dust removal device |
| CN103934106B (en) * | 2014-05-06 | 2017-01-18 | 福建省雾精灵环境科技有限公司 | Negative ion spraying dust removal device |
| CN104399337A (en) * | 2014-11-25 | 2015-03-11 | 广西农垦糖业集团红河制糖有限公司 | Boiler chimney dust collection system and dust collection method |
| CN106052472A (en) * | 2015-04-13 | 2016-10-26 | 莱希勒有限公司 | Spray device and method for operating spraying device |
| CN106052472B (en) * | 2015-04-13 | 2019-01-04 | 莱希勒有限公司 | Spraying device and method for operating spraying device |
| US10350535B2 (en) | 2015-04-13 | 2019-07-16 | Lechler Gmbh | Spray arrangement and method for operating a spray arrangement |
| CN104759172A (en) * | 2015-04-22 | 2015-07-08 | 福州汇智集佳电子技术有限公司 | Efficient haze removal method |
| CN106707014A (en) * | 2017-03-08 | 2017-05-24 | 北京瑞普三元仪表有限公司 | 4-20mA two-wire passive current loop measurement instrument |
| CN107499973A (en) * | 2017-08-03 | 2017-12-22 | 山西潞安煤基合成油有限公司 | Boiler Ash storehouse steam dust removing device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN2275712Y (en) | Automatic spraying dusting regulator | |
| CN106092206B (en) | A kind of road environment comprehensive monitoring vehicle | |
| CN204597874U (en) | Solar cell panel dust degree on-Line Monitor Device | |
| CN206002136U (en) | A kind of road environment comprehensive monitoring car | |
| CN110456742A (en) | A kind of detection of construction site fugitive dust and spray integral system | |
| CN112649031B (en) | Intelligent park environment monitoring system and method | |
| CN101833339A (en) | Universal-type solar real-time automatic tracking control system based on microcomputer | |
| CN101221015A (en) | Smoke and dust comprehensive processing technique, smoke and dust trapping device and combined dust remover for electric arc furnace | |
| CN210742724U (en) | Building engineering environment monitoring device | |
| CN206411097U (en) | A kind of novel air monitoring device | |
| CN108758909A (en) | A kind of automation dust purification device suitable for open urban public place | |
| CN212780393U (en) | A device for construction site raise dust real-time supervision | |
| CN207067737U (en) | One kind greening pipe network remote automatic control device | |
| CN110596333A (en) | A on-line monitoring system for sewage treatment | |
| CN106091283A (en) | A kind of system controlling air purifier based on indoor image detecting | |
| CN208795288U (en) | Fugitive dust and noise monitor instrument in a kind of air | |
| CN206775217U (en) | Data communication network monitoring and warning system | |
| CN205903723U (en) | Stirring station powder storehouse dust removing system | |
| CN211642171U (en) | A inspection device that is used for colliery power supply ground 6kV substation equipment | |
| CN206349314U (en) | A kind of intelligent pole-mounted circuit breaker | |
| CN208474873U (en) | A kind of dust guard of environment detector rack | |
| CN211264150U (en) | Automatic feeding control circuit of intelligent floating bed | |
| CN211122426U (en) | Raise dust monitoring facilities all-in-one | |
| CN220039954U (en) | Portable atmospheric dry-wet sedimentation sample collection device for agricultural land | |
| CN208275182U (en) | A kind of cathode of lithium battery graphite dust collection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |