CN101266160B - Continuous dynamic intelligent metering mechanism - Google Patents
Continuous dynamic intelligent metering mechanism Download PDFInfo
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- CN101266160B CN101266160B CN200810054909XA CN200810054909A CN101266160B CN 101266160 B CN101266160 B CN 101266160B CN 200810054909X A CN200810054909X A CN 200810054909XA CN 200810054909 A CN200810054909 A CN 200810054909A CN 101266160 B CN101266160 B CN 101266160B
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Abstract
A scattered solid material intelligent metering device belongs to the automation detection metering technology field, which can be applied widely to industries using a belt transporter for example coal, metallurgy, power generation, characterized in that the device is composed of a funnel (1), downspoutings (2, 3), punchings (4, 5), weighing sensors (6, 7) and an intelligent measuring and control instrument (14). The funnel (1) and the punching (4, 5) form weighing frame structure; the weighing sensor (6, 7) and the intelligent measuring and control instrument (14) form the measuring system; the invention not only has high precision, wide measuring range, reasonable structure, strong overload capacity but also does not change original on site devices. The invention is applied to continuously dynamic scattered solid material metering for example the coal, the dock, the electricity power plant, which replaces traditional electronic belt weigh meter and nuclear scale. The metering device can be used even under condition that the belt weigh meter can not be used, for example, various material transporter and storage material feeding opening of chain board, scrapping board, screw and so on.
Description
One, technical field
A kind of divided solid materials intelligent metering device of the present invention, belong to robotization and detect field of measuring techniques, can be widely used in coal, metallurgy, generating etc. and use the industry of belt conveyer, it be a kind of can be the regeneration product of conventional belt scale and uclear scale at the intelligent metering device of accurate measurement divided solid materials weight under the continuous current intelligence.
Two, background technology
Divided solid materials is in processing, storage and transportation, and the flow of material is a kind of significant data, divided solid materials of a great variety, and physical differences is bigger, especially under current intelligence continuously, to its accurate measurement difficulty relatively.The conventional metered dose method adopts belted electronic balance and electronics uclear scale usually, and belt conveyer scale and uclear scale are subjected to multiple factor affecting, and general precision is not high, effective range little (20%-100% maximum flow).The beginning of the eighties, by former federal republic of germany E+H company, a kind of advanced divided solid materials mass rate dynamic balance of development, i.e. impact flow meter, its impact flow meter theoretical foundation is abundant, measuring principle advanced person, but the measuring mechanism of impact flow meter and sensor also rest on the level of the eighties, employing be differential transformer sensor and conventional conversion circuit, measuring accuracy is not high yet, and complicated in mechanical structure, measurement range is little, overload capacity is poor, and the incompatibility belt conveyer uses.
Along with scientific technological advance, the appearance of resistance strain type sensor, the degree of accuracy of LOAD CELLS can reach 0.03%～0.01% at present, inner single-chip microcomputer and the large scale integrated circuit of adopting of smart instrumentation, conversion accuracy and intelligent degree are than higher, and degree of accuracy can reach 0.1%～0.01%.The national economy high speed development, coal production is more and more higher, the belt conveyer owning amount is increasing, is badly in need of that a kind of precision height, measurement range are wide, rational in infrastructure, overload capacity strong, can adapt to the novel dynamic metering device that uses under the particular surroundingss such as colliery, harbour, power plant.
Three, summary of the invention
The purpose of a kind of continuous dynamic intelligent metering mechanism of the present invention is, solve in the above-mentioned prior art that ubiquity dynamic measurement precision is not high, some problems such as complex structure, maintenance load are big, thereby a kind of precision height is disclosed, measurement range is wide, rational in infrastructure, overload capacity is strong, can adapt to the technical scheme of the novel dynamic metering device that uses under the particular surroundingss such as colliery, harbour, power plant.
A kind of continuous dynamic intelligent metering mechanism of the present invention, it is characterized in that it being a kind of continuous dynamic intelligent metering mechanism that is used to measure divided solid materials, this device is made up of funnel 1, chute 2,3, punching 4,5, LOAD CELLS 6,7 and intelligent observe and control instrument 14, and described funnel 1, chute 2,3, punching 4,5 are formed and claimed shelf structure; Its described LOAD CELLS 6,7 and intelligent observe and control instrument 14 are formed measuring system; Its described funnel 1 adopts four block plates to be welded into the awl trapezoidal shape, chute 2,3, adopt three block plates to be welded into flute profile, funnel 1 and chute 2,3 be welded into one and be installed in belt feeder 15 delivery ends under, described punching 4,5 adopt steel plate and vertical shaft 8,9 are welded into one and are installed in chute 2, the both sides of 3 belows, when solid material 16 falls through belt feeder 15, funnel 1, chute 2, after 3 collections, impact punching 4, on 5, impulsive force is decomposed into a horizontal component Fm and vertical stress component Fp, wherein vertical stress component Fp is by last fulcrum 10,11 lower fulcrums 12,13 reacting forces that produce are offset fully, and horizontal component Fm makes punching 4,5 above fulcrums 10,11 and lower fulcrum 12,13 is that the center is with vertical shaft 8,9 occurred level direction rotations backward, described LOAD CELLS 6,7 are installed in punching 4,5 back, when punching 4, contact LOAD CELLS 6 during 5 stressed rotations, 7 horizontal component Fm are through LOAD CELLS 6,7 convert electric signal to, LOAD CELLS 6,7 pass the signal to intelligent observe and control instrument 14, carry out data processing by intelligent observe and control instrument 14, calculate, show, metering etc.
Above-mentioned a kind of continuous dynamic intelligent metering mechanism is characterized in that a small amount of journey strain gauge load cell that described LOAD CELLS 6,7 is selected less than 100 kilograms.
Above-mentioned a kind of continuous dynamic intelligent metering mechanism, it is characterized in that a kind of smart instrumentation that described intelligent observe and control instrument 14 is made up of single-chip microcomputer, the millivolt level signal of sensor output is through amplifying and 16 mould/number conversion circuit, send into single-chip microcomputer through photoelectrical coupler again, calculate, compensate, storage etc., show instantaneous delivery and cumulative weight with two groups of charactrons, adopt photoelectrical coupler to improve the antijamming capability of system, select for use 16 moulds/number conversion circuit further to improve the measuring accuracy of system.
The advantage and the purposes of a kind of continuous dynamic intelligent metering mechanism of the present invention are: in order to improve measuring accuracy, designed the title shelf structure of advantages of simple, whether weigh a measurement mechanism precision height, claim that shelf structure is crucial, it accounts for more than 90% of whole measuring system error.The present invention claims that the measuring method of shelf structure is to measure the method for horizontal component Fm, if that measure is gravity Fp, because of long- time use punching 4,5 wearing and tearing, weight savings can occur and be stained with a large amount of dust phenomenon, adopt the method for measuring horizontal component Fm can effectively avoid of the influence of above-mentioned phenomenon to measuring accuracy.Sensor 6,7 adopts advanced LOAD CELLS, replace original differential transformer sensor,. adopt singlechip technology to make intelligent observe and control instrument 14 become smart instrumentation, the present invention not only the precision height, measurement range is wide, rational in infrastructure, overload capacity is strong, and original field apparatus is without any need for change.Be applicable to dynamically divided solid materials metering continuously such as colliery, harbour, power plant, substitute traditional belted electronic balance and uclear scale, even under the condition that can not use belt conveyer scale,, also can select this measuring apparatus for use as various materials conveyor and feed bin discharging openings such as carrier bar, scraper plate, spirals.
Four, description of drawings
Fig. 1. the measuring apparatus structure principle chart
Fig. 2. punching structure front elevation
Fig. 3. punching structure side view
Fig. 4. the impact flow meter fundamental diagram
1, funnel 2,3 chutes
4,5 punchings, 6,7 LOAD CELLS
8, fulcrum on 9 columns 10,11
12,13 lower fulcrums 14, intelligent observe and control instrument
15, belt feeder 16, solid material
Five, specific embodiments
Embodiment 1:
The application of a kind of novel divided solid materials intelligent metering device of the present invention on belt conveyer, as Fig. 1, measuring apparatus is made up of funnel 1, chute 2,3, punching 4,5, LOAD CELLS 6,7 and intelligent observe and control instrument 14, and described funnel 1, chute 2,3, punching 4,5 are formed and claimed shelf structure; Its described LOAD CELLS 6,7 and intelligent observe and control instrument 14 form measuring systems, described funnel 1 adopts four blocks of thick steel plates of 15mm to be welded into the awl trapezoidal shape, chute 2,3, adopt three blocks of thick steel plates of 15mm to be welded into flute profile, funnel 1, chute 2,3, be welded into one, be installed in belt feeder 15 delivery ends under the 0.5m place, be used for collecting and concentrated solid material 16, described punching 4,5 adopt thick steel plate and the vertical shaft 8 of 20mm, 9 are welded into one, be installed in chute 2, the both sides at 0.5m place, 3 below, when solid material 16 falls through belt feeder 15, funnel 1, chute 2, after 3 collections, impact punching 4, on 5, impulsive force is decomposed into a horizontal component Fm and vertical stress component Fp, wherein vertical stress component Fp is by last fulcrum 10,11 lower fulcrums 12,13 reacting forces that produce are offset fully, and horizontal component Fm makes punching 4,5 above fulcrums 10,1l and lower fulcrum 12,13 is that the center is with vertical shaft 8,9 occurred level direction rotations backward, described LOAD CELLS 6,7 are installed in punching 4,5 back, when punching 4, contact LOAD CELLS 6 during 5 stressed rotations, 7, horizontal component Fm is through LOAD CELLS 6,7 convert electric signal to, LOAD CELLS 6,7 pass the signal to intelligent observe and control instrument 14, carry out data processing by intelligent observe and control instrument 14, calculate, show, metering etc.
The key technical indexes:
Measurement range: the 0-500 ton/hour
Measuring accuracy: ± 0.5-1%F.S
The serviceability temperature scope:
The Sensor section temperature :-30 ℃ ~ 60 ℃, humidity 90%
The instrument and meter temperature :-5 ℃ ~ 35 ℃, humidity 90%
Integrated flux shows maximum number of digits: 9999999 tons
Instantaneous delivery shows maximum number of digits: 999.9 tons/hour
Further specify measuring principle below in conjunction with accompanying drawing 4:
As shown in Figure 4, when solid material from highly being h, when impacting punching,, impulsive force F is arranged according to the impact flow meter theory in the free-falling mode
1,
F
1Can be decomposed into a gravity Fp and a horizontal component Fm, wherein gravity Fp is offset fully by last fulcrum 10,11 and lower fulcrum 12,13, the reacting force that produces, and horizontal component Fm is the power that will measure,
In the formula: Fm is the horizontal component that material drops on punching, q
mWeight for material, g is a free-fall acceleration, α is the blanking angle, i.e. angle between material and the punching, and β is punching plane and horizontal plane angle, h is a vertical range between the starting point that falls of material and the punching, from formula, find out, after the device fabrication and installation are finished, punching and horizontal sextant angle β, blanking angle α, the high h degree of blanking is constant, horizontal component Fm only with solid material weight q
mRelevant, and be directly proportional and linear relationship, be not subjected to the influence of physical characteristics (as factors such as density, granularity, refuse content, the humidity) variation of tested material, be to measure the ideal measuring method of divided solid materials.
Embodiment 2:
The application of a kind of continuous dynamic intelligent metering mechanism of the present invention on scraper conveyor, described funnel 1, chute 2,3, punching 4,5 are formed and are claimed shelf structure; Its described LOAD CELLS 6,7 and intelligent observe and control instrument 14 are formed measuring system, described funnel 1 adopts four blocks of thick steel plates of 15mm to be welded into the awl trapezoidal shape, chute 2,3, three blocks of thick steel plates of 15mm of employing are welded into flute profile, funnel 1, chute 2,3, be welded into one, be installed in the scraper conveyor delivery end under the 0.5m place, be used for collecting and concentrated solid material 16, described punching 4,5 adopts thick steel plate and the vertical shaft 8,9 of 20mm to be welded into one, be installed in the both sides at 0.5m place, chute 2,3 below, other is with embodiment 1.
Embodiment 3:
The application of a kind of continuous dynamic intelligent metering mechanism of the present invention on worm conveyor, described funnel 1 adopts four blocks of thick steel plates of 15mm to be welded into the awl trapezoidal shape, chute 2,3, three blocks of thick steel plates of 15mm of employing are welded into flute profile, funnel 1, chute 2,3, be welded into one, be installed in the worm conveyor delivery end under the 0.5m place, be used for collecting and concentrated solid material 16, described punching 4,5 adopts thick steel plate and the vertical shaft 8,9 of 20mm to be welded into one, be installed in the both sides at 0.5m place, chute 2,3 below, other is with embodiment 1.
Embodiment 4:
The application of a kind of continuous dynamic intelligent metering mechanism of the present invention on chain scraper conveyor, described funnel 1 adopts four blocks of thick steel plates of 20mm to be welded into the awl trapezoidal shape, chute 2,3, three blocks of thick steel plates of 10mm of employing are welded into flute profile, funnel 1, chute 2,3, be welded into one, be installed in the chain scraper conveyor delivery end under the 0.5m place, be used for collecting and concentrated solid material 16, described punching 4,5 adopts thick steel plate and the vertical shaft 8,9 of 25mm to be welded into one, be installed in the both sides at 0.5m place, chute 2,3 below, other is with embodiment 1.
Embodiment 5:
The application of a kind of novel divided solid materials intelligent metering device of the present invention on the feed bin discharging opening, described funnel 1 adopts four blocks of thick steel plates of 10mm to be welded into the awl trapezoidal shape, chute 2,3, three blocks of thick steel plates of 20mm of employing are welded into flute profile, funnel 1, chute 2,3, be welded into one, be installed in the feed bin discharging opening under the 0.5m place, be used for collecting and concentrated solid material 16, described punching 4,5 adopts thick steel plate and the vertical shaft 8,9 of 20mm to be welded into one, be installed in the both sides at 0.5m place, chute 2,3 below, other is with embodiment 1.
Claims (3)
1. continuous dynamic intelligent metering mechanism, it is characterized in that it being a kind of continuous dynamic intelligent metering mechanism that is used to measure divided solid materials, this device is made up of funnel (1), first chute (2), second chute (3), first punching (4), second punching (5), first LOAD CELLS (6), second LOAD CELLS (7) and intelligent observe and control instrument (14), and described funnel (1), first, second chute (2,3), first, second punching (4,5) are formed and claimed shelf structure; Its described first, second LOAD CELLS (6,7) and intelligent observe and control instrument (14) are formed measuring system; Its described funnel (1) adopts four block plates to be welded into the awl trapezoidal shape, first, second chute (2,3) adopt three block plates to be welded into flute profile respectively, funnel (1) and first, second chute (2,3) be welded into one and be installed in belt feeder (15) delivery end under, described first, second punching (4,5) adopt steel plate, first, second punching (4,5) respectively with first, second vertical shaft (8,9) be welded into one and also be installed in first respectively, second chute (2,3) Xia Fang both sides, when solid material (16) falls through belt feeder (15), through funnel (1), first, second chute (2,3) after the collection, impact first, second punching (4,5) on, form first respectively, second impulsive force, first impulsive force is decomposed into the first horizontal component Fm and the first vertical stress component Fp, second impulsive force is decomposed into the second horizontal component Fm and the second vertical stress component Fp, wherein the first vertical stress component Fp is offset fully by the reacting force that fulcrum (10) on first and first lower fulcrum (12) produce, the second vertical stress component Fp is offset fully by the reacting force that fulcrum (11) on second and second lower fulcrum (13) produce, and the first horizontal component Fm to make first punching (4) be that the center is with first vertical shaft (8) occurred level direction rotation backward with fulcrum (10) on first and first lower fulcrum (12), it is that the center is with second vertical shaft (9) occurred level direction rotation backward with fulcrum (11) on second and second lower fulcrum (13) that the second horizontal component Fm makes second punching (4), described first, second LOAD CELLS (6,7) be installed in first respectively, second punching (4,5) back, when first, second punching (4,5) contact first respectively during stressed rotation, second LOAD CELLS (6,7), first, the second horizontal component Fm is respectively through first, second LOAD CELLS (6,7) convert electric signal to, first, second LOAD CELLS (6,7) pass the signal to intelligent observe and control instrument (14), carry out data processing by intelligent observe and control instrument (14), calculate, show, metering.
2. according to the described a kind of continuous dynamic intelligent metering mechanism of claim 1, it is characterized in that described first and second LOAD CELLS (6,7) select a small amount of journey strain gauge load cell less than 100 kilograms.
3. according to the described a kind of continuous dynamic intelligent metering mechanism of claim 1, it is characterized in that a kind of smart instrumentation that described intelligent observe and control instrument (14) is made up of single-chip microcomputer, adopt raising system antijamming capability photoelectrical coupler, select for use 16 moulds/number conversion circuit further to improve the measuring accuracy of system, the millivolt level signal of first and second LOAD CELLS (6,7) output is respectively through amplifying and 16 mould/number conversion circuit, send into single-chip microcomputer through photoelectrical coupler again, calculate, compensate and store, show instantaneous delivery and cumulative weight with two groups of charactrons.
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| Application Number | Priority Date | Filing Date | Title |
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| CN200810054909XA CN101266160B (en) | 2008-05-01 | 2008-05-01 | Continuous dynamic intelligent metering mechanism |
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|---|---|---|---|
| CN200810054909XA CN101266160B (en) | 2008-05-01 | 2008-05-01 | Continuous dynamic intelligent metering mechanism |
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| CN101266160B true CN101266160B (en) | 2011-05-11 |
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Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102692254A (en) * | 2012-06-15 | 2012-09-26 | 漳州捷龙自动化技术有限公司 | Dual-weight reducing flow measuring system |
| CN102913286A (en) * | 2012-11-12 | 2013-02-06 | 北京安科兴业科技有限公司 | Drilling cutting method impact dangerousness detection automation analyzing system and method for coal mines |
| CN103032100A (en) * | 2012-12-12 | 2013-04-10 | 北京安科兴业科技有限公司 | Intelligent dynamic disaster risk detection method for mine |
| CN103453970B (en) * | 2013-07-15 | 2016-01-13 | 山西新元自动化仪表有限公司 | Chute scale |
| CN103954323B (en) * | 2014-05-13 | 2017-03-15 | 陈立明 | High accuracy impact flow meter |
| CN105424102B (en) * | 2016-01-05 | 2020-07-17 | 北京建筑大学 | Gutter inlet flow measuring device |
| CN107543597A (en) * | 2016-06-27 | 2018-01-05 | 山西新元自动化仪表有限公司 | Punching belt conveyer scale and its weighing technique |
| CN106289418B (en) * | 2016-08-04 | 2019-03-08 | 河南工业大学 | One koji tail chute type bulk material flow meter |
| CN107014446A (en) * | 2017-03-17 | 2017-08-04 | 合肥固泰自动化有限公司 | A kind of punching Flow Meter for Solid Materials |
| CN109051815A (en) * | 2018-06-29 | 2018-12-21 | 亚德（上海）环保系统有限公司 | A kind of dry-process deacidification material-transporting system |
| CN110708348B (en) * | 2019-08-23 | 2022-03-15 | 北京云科智能科技有限公司 | Interconnected and interlocked online material receiving system and method |
| CN110864782A (en) * | 2019-11-25 | 2020-03-06 | 徐州英孚测控工程有限公司 | Quantitative weighing hopper scale |
| CN110864996A (en) * | 2019-11-29 | 2020-03-06 | 北京龙田华远科技有限公司 | Method and device for measuring gangue content |
| CN113959541A (en) * | 2021-10-29 | 2022-01-21 | 联峰钢铁（张家港）有限公司 | Method for automatically measuring weight of deformed steel bar bundle |
| CN114993427A (en) * | 2022-07-26 | 2022-09-02 | 安徽工程大学 | Intelligent belt weigher based on single chip microcomputer control |
| CN115446987B (en) * | 2022-10-14 | 2024-09-24 | 中联重科新材料科技有限公司 | Spraying device and method |
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