CN2133821Y - Self-adjusting remote coal meter - Google Patents
Self-adjusting remote coal meter Download PDFInfo
- Publication number
- CN2133821Y CN2133821Y CN 92228161 CN92228161U CN2133821Y CN 2133821 Y CN2133821 Y CN 2133821Y CN 92228161 CN92228161 CN 92228161 CN 92228161 U CN92228161 U CN 92228161U CN 2133821 Y CN2133821 Y CN 2133821Y
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- China
- Prior art keywords
- optoelectronic switch
- coal
- transmission shaft
- housing
- self
- 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
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- 239000003245 coal Substances 0.000 title claims abstract description 67
- 230000005693 optoelectronics Effects 0.000 claims description 54
- 230000005540 biological transmission Effects 0.000 claims description 37
- 238000006073 displacement reaction Methods 0.000 claims description 4
- 230000000087 stabilizing effect Effects 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 239000007769 metal material Substances 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000005259 measurement Methods 0.000 abstract description 3
- 230000010354 integration Effects 0.000 abstract description 2
- 230000008092 positive effect Effects 0.000 abstract description 2
- 238000012545 processing Methods 0.000 abstract description 2
- 238000005728 strengthening Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N ferric oxide Chemical compound O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
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- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The utility model belongs to a self-adjusting remote coal-measuring meter. The coal quantity meter is composed of a coal information sensor composed of a shifting fork, two photoelectric switches, a large disc, a convex disc and a rope wheel, and an integrating display circuit composed of a photoelectric switch, an emitter follower, a relay and a passive counter. The coal meter has the main advantages of adopting the form of electromechanical integration, simple structure, easy processing, manufacture, installation and debugging, convenient maintenance and use, reliable performance, accurate measurement, suitability for popularization and use of various boilers, and positive effects of strengthening management, checking the thermal efficiency of the boilers and saving coal.
Description
The utility model relates to the bulk solid material measuring apparatus, particularly a kind of self-adjustable teletransmission coal meter.
The existing coal consumption that detects boiler adopts volumetric method to measure, under the identical situation of the kind proportion of coal, the width of defeated coal travelling belt is a constant, thickness of coal seam is with the gatage size variation, sending length to is determined by the travelling belt feeding length, these two variablees are adopted the means that detect respectively, the display device circuit is by pulse signal input circuit and the synthetic integrating of voltage input signal circuit, no matter adopt resolution element or special chip microprocessor and high-precision regulated power supply, structure and circuit are all complicated, cost is higher, adjusts and maintenance requirement technical merit height, the especially many water of working environment, many dusts, often make the electric elements loose contact, damage easily, the voltage signal instability directly influences the accuracy of actual measurement.The chain furnace coal meter that also has a kind of physical construction in addition, structure are also complicated, complex operation, and it is relatively poor to calculate accuracy.
The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art part, designs a kind of excellent sealing structure that adopts electromechanical integration, and structure and circuit are simple, and dependable performance is calculated accurately, safeguards and self-adjustable teletransmission coal meter easy to use.
The purpose of this utility model realizes by following proposal: this coal meter is by producing the directly proportional unified electric impulse signal of the feeding length with thickness of coal seam and coal in coal news sensor, input integrating display device computing also shows coal consumption.
The control device coal news sensor of this coal meter is by housing 1, transmission shaft 3, transmission shaft 10 and shift fork 2, big disk 5, optoelectronic switch 6, rope sheave 7, optoelectronic switch 8, male rotor 9 is formed, the sealing shape tube that its middle shell 1 is made with metal material, being installed in boiler transmits on the sprocket spindle, transmission shaft 3 and transmission shaft 10 pass two end walls of housing 1 and fixed thereon respectively, shift fork 2 is fastened on housing 1 transmission shaft 3 outward, and can be transmitted drive pin on the sprocket spindle by boiler and stir and drive transmission shaft 3 rotations, big disk 5 and convex disc 9 relative positions are permanently connected and are fixed on the transmission shaft 3 in the housing 1, and respectively by optoelectronic switch 6 and optoelectronic switch 8, big disk 5 along uniform 10～40 printing opacity circular holes in 180 ° of scopes of plate edge, big disk 5 rotates a week, the printing opacity circular hole is when being fixed on the optoelectronic switch 6 on housing 1 internal perisporium, optoelectronic switch 6 sends and the corresponding electric pulse numeration of light hole number signal, optoelectronic switch 8 is fastened on the transmission shaft 10 in the housing 1, rope sheave 7 is fastened on housing 1 transmission shaft 10 outward and with the rope sheave of boiler gate worm-wheel shaft and links to each other with the wire rope transmission, when gate is opened maximum from being closed to, make rope sheave 7 rotate 180 °, optoelectronic switch 8 180 ° of displacements thereupon, convex disc 9 makes optoelectronic switch 8 at 180 ° of scope iuumintings and conducting, shading in 180 ° of scopes of another half cycle and ending.
The integrating display circuit of this coal meter is by power supply B, diode D
1, D
2, D
3, D
4And D
5, triode BG
1, resistance R
1, R
2, R
3, R
4And R
5, capacitor C
1, C
2And C
3, three terminal regulator W and optoelectronic switch 6, optoelectronic switch 8, emitter follower IC
1, relay J, passive counter form, wherein power supply B through three terminal regulator W voltage stabilizing be connected its output terminal generation integrated pulse signal and emitter follower IC with the AND circuit that optoelectronic switch 8 is composed in series mutually by optoelectronic switch 6
1 Input end 7 pin link to each other, through IC
1Output terminal 2 pin output, through voltage stabilizing diode D
3, triode BG
1Meet electromagnetic relay J, drive passive counter accumulated counts by its contacting.
The utility model is compared following advantage with above-mentioned prior art: the form that has adopted dynamo-electric unification, the single comprehensive electric impulse signal of coal news sensor output, the integrating display circuit is simple, make whole coal meter structure very simple, processing and fabricating and Installation and Debugging are easy, with low cost, maintenance, easy to use; Parts adopt hermetically-sealed construction, and waterproof and dustproof is effective, and dependable performance is sturdy and durable, accurate measurement, and measuring accuracy can reach 1%.This coal meter is fit to various boiler to be promoted the use of, and to strengthening management, the thermal efficiency of examination boiler and saving coal all have positive effect.
Below in conjunction with accompanying drawing the utility model is described in further detail.
Fig. 1 is the system block diagram of autocontrol teletransmission coal meter;
Fig. 2 is the structural representation of the coal news sensor of autocontrol teletransmission coal meter;
Fig. 3 is big disk 5 and convex disc 9 relative installation front elevations in the coal news sensor;
Fig. 4 is the circuit theory diagrams of autocontrol teletransmission coal meter.
Wherein: 1-housing 2-shift fork 3-transmission shaft 4-ball axle shelves 5-big disk 6-optoelectronic switch 7-rope sheave 8-optoelectronic switch 9-male rotor 10-transmission shaft 11-ball axle shelves
With reference to Fig. 1, Fig. 2 and Fig. 3, according to coal consumption is the product that enters the mean specific gravity of the volume of steam coal and coal, wherein under the certain condition of kind, the granularity of coal, its proportion is definite value, and enter the volume V=BLH of the coal of boiler, find out from formula V and coal delivery of boiler travelling belt effective width B, travelling belt send length L to and three factors of thickness of coal seam H are relevant.To a boiler, B is a constant, variable has only L and H, the length L of sending to of coal is sent the length decision to by travelling belt, thickness of coal seam H is advanced the coal gate aperture and is controlled, L and two variablees of H are transmitted coal supply news sensor simultaneously with mechanical drive mode, send length and gatage comprehensive unified electric impulse signal in direct ratio to and produce one and travelling belt, teletransmission flows to the integrating display device and calculates and show coal consumption again.By on draw coal consumption=NK, N is that coal is interrogated the electric impulse signal number that sensor produces within a certain period of time in the formula, it is proportional to the product of L and two variablees of H, K is a calibration coefficient, unit is a kilogram/word, to the coal of a certain boiler with a collection of kind, COEFFICIENT K does not change with the variation of L and H, only needs to demarcate once to get final product.
The housing 1 of the coal news sensor of this coal meter is the sealed cylindrical made from steel, be installed on the transmission sprocket spindle of boiler, transmission shaft 3 and transmission shaft 10 pass two end walls of housing 1 and fixed thereon respectively, shift fork 2 is fastened on housing 1 transmission shaft 3 outward, and can by boiler transmit be provided with on the sprocket spindle drive pin stir and drive transmission shaft 3 and rotate thereupon, big disk 5 and convex disc 9 relative positions are permanently connected and are fixed on the transmission shaft 3 in the housing 1, can together rotate with transmission shaft 3, big disk 5 and convex disc 9 are respectively by optoelectronic switch 6 and optoelectronic switch 8, average mark is furnished with 20 printing opacity circular holes in 180 ° of scopes of the edge of big disk 5 dish circumferential edges, big disk 5 rotates a week with transmission shaft 3, the printing opacity circular hole is when being fixed on the optoelectronic switch 6 on housing 1 internal perisporium, the light activated element conducting, optoelectronic switch 6 sends 20 electric pulse numeration signals, rope sheave 7 be fastened on be on the outer transmission shaft 10 of housing 1 and be installed in the rope sheave that boiler advances on the coal gate worm-wheel shaft and link to each other with the wire rope transmission, select the rope sheave 7 on the coal news sensor identical with the rope sheave diameter that boiler advances on the coal gate worm-wheel shaft, when gate is opened maximum from being closed to, the rope sheave that boiler advances on the coal gate worm-wheel shaft drives 180 ° of rope sheave 7 rotations, the optoelectronic switch 8 that is fixed on housing 1 intermediate solid drive shaft 10 is fixed on the transmission shaft 10 together with rope sheave 7, optoelectronic switch 8 180 ° of displacements thereupon, convex disc 9 makes optoelectronic switch 8 at 180 ° of scope iuumintings and conducting by optoelectronic switch 8, shading in 180 ° of scopes of another half cycle and ending.
Two end walls that transmission shaft 3 and transmission shaft 10 adopt ball axle shelves 4 and ball axle shelves 11 to tighten structure and housing 1 are respectively fixed, the pedestal that has saved each other end, make structure more simple and be convenient to machine work, suitably regulate the degree of tightness of ball axle shelves 4 and ball axle shelves 11, transmission shaft 3 and transmission shaft 10 are neither rocked and can not produce axial float.
Pass the place, hole at parts, the electric wire of housing 1 shell wall and be provided with packoffs such as rubber cup, pad.
With reference to Fig. 1 and Fig. 4, the integrating display circuit power supply B of this coal meter is through three terminal regulator W7812 voltage stabilizing, with be connected with the AND circuit that optoelectronic switch 8 is composed in series mutually by the optoelectronic switch 6 that adopts photoelectrical coupler, produce comprehensive unified electric impulse signal thus and by its output terminal and emitter follower IC
1Input end 7 pin be connected IC
1Adopt IC
1The JEC-2 integrated package, IC
1Output terminal 2 pin through 2C,W/4 two utmost point stabilivolt D
3Meet triode BG
1, BG
1Connect passive counter through electromagnetic relay J.IC
1Input end 7 be noble potential, output terminal 2 is a low level, when input end 7 is an electronegative potential, when output terminal 2 is high level, triode BG
1Conducting, miniature relay J action, its contact drives the numeration that adds up of passive counter, commercially available of passive counter employing.Explanation below gives an actual example, the passive counter of a certain boiler is placed " 0 ", 1000 kilograms of coals of elder generation's weighing, under general gatage, coal is sent into boiler from coal bunker by travelling belt, begin to count to from delivering coal and sent till the coal if the register reading is 400,1000/400=2.50 kilogram/word of calibration coefficient K=then, the integrating display device is passive counter, the keyboard that is provided with on passive counter is with K value enter counter, the mode that Displaying Meter then adds up automatically with weight coefficient shows the coal consumption=NK(kilogram of accumulation), directly read coal consumption therefrom.
Claims (4)
1, a kind of housing 1 that is provided with, transmission shaft 3, the self-adjustable teletransmission coal meter that the coal news sensor of transmission shaft 10 is formed, it is characterized in that by shift fork 2, big disk 5, optoelectronic switch 6, rope sheave 7, optoelectronic switch 8, male rotor 9 is formed, its middle shell 1 is the sealing shape tube made from metal material, being installed in boiler transmits on the sprocket spindle, transmission shaft 3 and transmission shaft 10 pass two end walls of housing 1 and fixed thereon respectively, shift fork 2 is fastened on housing 1 transmission shaft 3 outward, and can be transmitted drive pin on the sprocket spindle by boiler and stir and drive transmission shaft 3 rotations, big disk 5 and convex disc 9 relative positions are permanently connected and are fixed on the transmission shaft 3 in the housing 1, and respectively by optoelectronic switch 6 and optoelectronic switch 8, big disk 5 along uniform 10～40 printing opacity circular holes in 180 ° of scopes of plate edge, big disk 5 rotates a week, light hole is when being fixed on the optoelectronic switch 6 on housing 1 internal perisporium, optoelectronic switch 6 sends and the corresponding electric impulse signal of printing opacity circular hole number, optoelectronic switch 8 is fastened on the transmission shaft 10 in the housing 1, rope sheave 7 is fastened on housing 1 transmission shaft 10 outward and with the rope sheave of boiler gate worm-wheel shaft and links to each other with the wire rope transmission, when gate is opened maximum from being closed to, make rope sheave 7 rotate 180 °, optoelectronic switch 8 180 ° of displacements thereupon, convex disc 9 makes optoelectronic switch 8 at 180 ° of scope iuumintings and conducting, shading in 180 ° of scopes of another half cycle and ending.
2, self-adjustable teletransmission coal meter according to claim 1, the integrating display circuit that it is characterized in that realizing it is by optoelectronic switch 6, optoelectronic switch 8, emitter follower IC
1, relay J, passive counter form, wherein power supply B through three terminal regulator W voltage stabilizing be connected its output terminal and emitter follower IC with the AND circuit that optoelectronic switch 8 is composed in series mutually by optoelectronic switch 6
1Input end 7 pin link to each other IC
1Output terminal 2 pin through diode D
3, triode BG
1Meet electromagnetic relay J, electromagnetic relay J connects passive counter.
3, self-adjustable teletransmission coal meter according to claim 1 is characterized in that two end walls that transmission shaft 3 and transmission shaft 10 adopt ball axle shelves 4 and ball axle shelves 11 to tighten structure and housing 1 respectively fix.
4, self-adjustable teletransmission coal meter according to claim 1 is characterized in that parts, electric wire at housing 1 shell wall passes the place, hole and be provided with packoffs such as rubber cup, pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92228161 CN2133821Y (en) | 1992-07-18 | 1992-07-18 | Self-adjusting remote coal meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92228161 CN2133821Y (en) | 1992-07-18 | 1992-07-18 | Self-adjusting remote coal meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2133821Y true CN2133821Y (en) | 1993-05-19 |
Family
ID=33771904
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 92228161 Expired - Fee Related CN2133821Y (en) | 1992-07-18 | 1992-07-18 | Self-adjusting remote coal meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2133821Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104792385A (en) * | 2014-11-20 | 2015-07-22 | 上海星空自动化仪表有限公司 | Waist wheel flow meter |
-
1992
- 1992-07-18 CN CN 92228161 patent/CN2133821Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104792385A (en) * | 2014-11-20 | 2015-07-22 | 上海星空自动化仪表有限公司 | Waist wheel flow meter |
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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 |