CN109764946A - A kind of control system and its control method improving bad working environments hypodermis belt scale precision - Google Patents
A kind of control system and its control method improving bad working environments hypodermis belt scale precision Download PDFInfo
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- 238000000034 method Methods 0.000 title claims description 21
- 238000005303 weighing Methods 0.000 claims abstract description 148
- 238000012937 correction Methods 0.000 claims abstract description 6
- 239000000463 material Substances 0.000 claims description 30
- 238000001514 detection method Methods 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 6
- 238000005336 cracking Methods 0.000 claims description 3
- 230000006870 function Effects 0.000 claims description 3
- 239000003245 coal Substances 0.000 description 13
- 230000008569 process Effects 0.000 description 4
- 239000013590 bulk material Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002285 radioactive effect Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
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- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Abstract
The present invention provides a kind of control system for improving bad working environments hypodermis belt scale precision, and driving point weighing belt is mounted in the driving conveyor belt at driving point, and the signal and corresponding speed signal are transmitted to master controller together；Main weighing belt is mounted in the driving subsequent main conveyor belt of conveyor belt, and flow signal and corresponding speed signal are transmitted to master controller together；Weight, flow and the speed signal that master controller acquisition driving point weighing belt and main weighing belt are sent, the flow signal after obtaining driving point weighing belt correction, and be sent to higher level and control computer, realize the output of instant driving point weighing belt accurate flow numerical value.The preposition driving point weighing belt of the present invention is using the floated weighing unit of single-point in array weighing belt, subsequent main weighing belt uses array weighing belt, study, correction " voltage-flow " curve function further according to this system side, can make the accuracy of measuring of preposition simple weighing belt reach weighing accuracy less than 0.5%.
Description
Technical field
The present invention relates to a kind of weighing belts to control equipment, and specific sheet says it is a kind of raising bad working environments hypodermis belt scale precision
Control system, belong to weighing belt adjustment equipment technology field.
Background technique
In bulk material transmission process, often need to measure conveyed material, and in some use occasions, by
It is limited to site technique condition, often applying working condition is severe, and the device space is narrow, can not install large-scale metering device, also not have
The stabilization use condition of standby metering device.
Modern coal mines often use frequency control to the main coal conveyer belt in underground, so as to according to the coal conveyed for energy conservation
It is how many to control the belt speed of service.Since the belt feeder driving motor capacity is big, thousands of KW are often reached, reduce blanking bar or small coal amount
When belt high-speed cruising, to energy conservation and reduce belt feeder abrasion have great economic significance.The key request of technique
Be exactly predict each driving point of mining in advance how much carry out coal amount, to adjust belt speed in time, it is timely that guarantee will all carry out coal
See off, prevent because regulate the speed it is too late cause belt feeder by the accident of burying, run again with reasonable speed, to reach
To energy-efficient target.
And on each digging point, development machine constantly moves, and the belt conveyer being followed by uses easy structure, does not fix
Basis, working face narrow space.It is limited by field condition, more feasible method is to install skin on this belt feeder at present
Belt scale is measured.But it, can only simple to install type weighing belt because of narrow space.Under this bad working environments, which can not be into
Row normal use, it is even more impossible to guarantee detection accuracy.Therefore, the coal-feeding quantity of this point can not be measured always, lead to coal master
Belt feeder can only operate in maximum speed, with adapt to it is maximum come coal conveying, lead to huge waste.
There are also many occasions for the bulk material conveying of the similar above situation, are all accurately measured in the presence of needs, and by
Measuring equipment can not be installed to condition limitation.The common feature of this kind of occasion is: needing to obtain continuous data nearby, but condition limits
System can not install measuring equipment.
At present the status of detection technique be common in bulk material continuous operation sense weight method it is following several:
(1) uclear scale: in the place installation radioactive source and recipient that belt material passes through, put caused by being absorbed by detection material
The attenuation rate of dosage is penetrated how much to calculate the quality of material passed through.This device needs to use radioactive source, and detection accuracy itself
It is relevant with the material composition of material, need to carry out frequent calibrating, calibration, it is pretty troublesome, so it is very uneasy to be used in these occasions
Entirely, also inconvenient, accuracy is not high, does not also see application report in this respect.
(2) scale is impacted: one hopper of setting, the impact force generated when entering hopper by detecting material, to derive material
The size of amount.This method requires measured material physical characteristic that must stablize, as granularity, speed must be consistent, and the dress
The accurate installation of needs and calibration are set, otherwise accuracy not can guarantee, and the case of practical application has not been reported.
(3) weighing belt: weighing belt is installed on carrying out the belt feeder near shots, is measured to by the material of weighing belt.
This scheme is relatively practical, and has user to use.But weighing belt is more demanding to use environment, especially requires belt
The working condition of machine itself is good；It by use environment bad influence, needs that often weighing belt is safeguarded and calibrated, side
It can guarantee normal use；Since field condition is severe, this requirement it is difficult to ensure that, limit weighing belt making with this condition
With.
To sum up, in the material conveying metering being similar near coal mine driving point, there are great difficulties, technically using weighing belt
It sees most possibly, and has the case much implemented, but how to keep measuring accuracy under this bad working environments, be then problem
It is crucial.
Summary of the invention
The present invention is directed to technical problem set forth above, proposes a kind of control system for improving bad working environments hypodermis belt scale precision
System constitutes a completely new belt balance weighing system using double scale and the mode of autonomous learning, can be severe with effective solution
The problem of operating condition hypodermis belt scale correct amount.
The technical solution that the present invention solves the above technical problem is: providing a kind of raising bad working environments hypodermis belt scale precision
Control system, including driving point weighing belt, main weighing belt and master controller；
Driving point weighing belt is mounted in the driving conveyor belt at driving point, the weight signal of the material of acquisition conveying nearby, and
The signal and corresponding speed signal are transmitted to master controller together；
Main weighing belt is mounted in the driving subsequent main conveyor belt of conveyor belt, the weight of accurate the conveyed material of acquisition, will
Accurate flow signal and corresponding speed signal are transmitted to master controller together；
Master controller is independent computer or its function merges in the instrument of weighing belt, acquisition driving point weighing belt and master
Weight, flow and the speed signal that weighing belt is sent, and calculated according to the learning model in master controller, it is tunneled
Flow signal after point weighing belt correction, and be sent to higher level and control computer, realize instant driving point weighing belt accurate flow
The output of numerical value.
It is of the invention to further limit technical solution, the control system above-mentioned for improving bad working environments hypodermis belt scale precision,
Driving point weighing belt is using the floated weighing unit of single-point in array weighing belt；Main weighing belt uses array weighing belt.
Driving point weighing belt can be obtained metastable using the floated weighing unit of single-point in array weighing belt
Signal, this signal have opposite stability in a short time, change within the allowable range.Usual material is reached from driving point
The lag time of main weighing belt is tens of seconds to several minutes, and by the learning process of this delay, driving point can be stored in original
" voltage-flow " curve in weighing belt is timely corrected, so that the weighing accuracy of driving point weighing belt constantly approaches
And the accuracy of main weighing belt is followed, to realize the effect that simple weighing belt in the presence of a harsh environment realizes high-precision weighing
Fruit.
The working environment of driving point weighing belt limits its operating condition that cannot have weighing belt basic, can not such as calibrate skin
Tare weight, belt conveyer foundation floating of belt scale etc.；Driving point weighing belt at this time just becomes a weight signal detector, is only responsible for
Corresponding flow number is searched according to weight signal voltage value and is exported to center-controlling computer.And the accuracy of weight relies on
In the study of the accurate metering and curve of main weighing belt.That is the operating mode of driving point weighing belt has occurred that changing for essence
Become, and including a driving point weighing belt, main weighing belt and entire closed loop learning system inside form one it is completely new with raising
Adverse circumstances hypodermis belt scale weighing precision is the intelligent weighing system of target.
A kind of control method for the control system improving bad working environments hypodermis belt scale precision, comprising the following steps:
(1) the installation driving point weighing belt on the belt of driving point detects that material passes through the weight of moment point by driving point weighing belt
Measure signal voltage；
(2) " voltage-flow " curve is preset in driving point weighing belt, the weight signal voltage detected according to driving point weighing belt
Directly by searching for Curve Matching, so that it may obtain corresponding flow number, the flow number that will match to is sent to center control
Device, for carrying out frequency control to main belt；
(3) the system that driving point weighing belt detects weight signal voltage of the material Jing Guo moment point while being pushed into master controller
Storehouse；
(4) the material on aforementioned moment point passes through conveyor belt and becomes owner of weighing belt through delay after a period of time is laggard, can obtain
The moment point accurate weight and corresponding flow value, found out from system stack again at this time and put a weighing belt in driving and detect
The weight signal voltage value of corresponding moment point is compared, so that it may which correct " voltage-flow " ratio for obtaining moment point is bent
Line；
(5) already present default " voltage-flow " curve in driving point weighing belt is modified, by revised " voltage-
Flow " curve is refilled into driving point weighing belt；
(6) the detection and amendment to difference are passed through, so that it may be carried out to " voltage-flow " curve is preset in driving point weighing belt
Constantly amendment, to realize the study circulation of system.
The control method of the control system above-mentioned for improving bad working environments hypodermis belt scale precision, " voltage-flow " curve exist
When initially setting up only one moment point of curve, other each points can be using identical numerical value as initial value on curve.
When there are (or proximity values) identical as certain point value again in system operation, it can be updated, and the neutral gear between 2 points
Can with straight line be connected or using rounding off algorithm, form complete curve, in a certain range due to weighing belt, weighing
For slope close to linearly, error caused by such method is smaller.
Further, the control method of the control system above-mentioned for improving bad working environments hypodermis belt scale precision, uses for the first time
When " voltage-flow " curve, initial output maximum stream flow signal is taken to output result, so that main belt enters high-speed mode,
It is cracking to find correctly output as a result, exporting correct numerical value again again by subsequent study circulation, enter main belt just
True control flow.
The medicine have the advantages that the preposition driving point weighing belt of the present invention is floated using the single-point in array weighing belt
Weighing unit, subsequent main weighing belt use array weighing belt, study, correction " voltage-flow " further according to this system side
Curve function can make the accuracy of measuring of preposition simple weighing belt reach weighing accuracy less than 0.5%；With this sets of plan
The blank of the accurate measurement problem of this kind of occasions can effectively be filled up；It can be quasi- with effective solution bad working environments hypodermis belt scale
The problem really weighed has overturned weighing belt for a long time and has only relied on the traditional mode that single machine completes weighing, realized weighing belt intelligence
The new breakthrough of energyization weighing, and this principle can be used in more similar occasions, improve weighing belt entirety weighing technology
Horizontal progress.
Detailed description of the invention
Fig. 1 is present system schematic diagram.
Fig. 2 is working principle block diagram of the present invention.
Specific embodiment
Embodiment 1
The present embodiment provides a kind of control systems for improving bad working environments hypodermis belt scale precision, and structure is as depicted in figs. 1 and 2, packet
Include driving point weighing belt J, intermediate transportation belt 2, main weighing belt Z and master controller；Driving point weighing belt uses array
The floated weighing unit of single-point in weighing belt, main weighing belt use array weighing belt；It tunnels conveyor belt 1 and passes through intermediate fortune
Defeated belt 2 connects main conveyor belt 3；Driving point weighing belt is mounted in the driving conveyor belt 1 at driving point, is acquired nearby defeated
The weight signal of material is sent, and the signal and corresponding speed signal are transmitted to master controller together；Main weighing belt installation
In the driving subsequent main conveyor belt 3 of conveyor belt, the weight of accurate acquisition conveying material, by accurate flow signal and right
The speed signal answered is transmitted to master controller together；Master controller is independent computer, acquisition driving point weighing belt and
Weight, flow and the speed signal that main weighing belt is sent, and calculated according to the learning model in master controller, it is dug
Flow signal into after weighing belt correction, and be sent to higher level and control computer, realize that instant driving point weighing belt accurately flows
The output of numerical quantity.
The control method of the control system of the raising bad working environments hypodermis belt scale precision of the present embodiment, comprising the following steps:
(1) the installation driving point weighing belt on the belt of driving point detects that material passes through the weight of moment point by driving point weighing belt
Measure signal voltage；
(2) " voltage-flow " curve is preset in driving point weighing belt, the weight signal voltage detected according to driving point weighing belt
Directly by searching for Curve Matching, so that it may obtain corresponding flow number, the flow number that will match to is sent to center control
Device, for carrying out frequency control to main belt；
(3) the system that driving point weighing belt detects weight signal voltage of the material Jing Guo moment point while being pushed into master controller
Storehouse；
(4) the material on aforementioned moment point passes through conveyor belt and becomes owner of weighing belt through delay after a period of time is laggard, can obtain
The moment point accurate weight and corresponding flow value, found out from system stack again at this time and put a weighing belt in driving and detect
The weight signal voltage value of corresponding moment point is compared, so that it may which correct " voltage-flow " ratio for obtaining moment point is bent
Line；
(5) already present default " voltage-flow " curve in driving point weighing belt is modified, by revised " voltage-
Flow " curve is refilled into driving point weighing belt；
(6) the detection and amendment to difference are passed through, so that it may be carried out to " voltage-flow " curve is preset in driving point weighing belt
Constantly amendment, to realize the study circulation of system.
Voltage-flow in the present embodiment " curve is other on curve when initially setting up only one moment point of curve
Each point can using identical numerical value as initial value；When using " voltage-flow " curve for the first time, output result is adopted
Initial output maximum stream flow signal is taken, so that main belt enters high-speed mode, then by subsequent study circulation, it is cracking to find
Correctly output makes main belt enter correct control flow as a result, export correct numerical value again.
When the present embodiment is in use, it is tunneled in coal mine and a driving point weighing belt J is installed on belt feeder near point, taken in time
The weight signal of coal must be tunneled, after main conveyor belt is mounted on the driving conveyor belt and intermediate transportation belt process of driving point
A high-precision main weighing belt Z is installed in portion, the suitable position in main conveyor belt；Since main conveyor belt is one big
Type belt, structure is good, and working condition is good, can be able to achieve the high accuracy metering of weighing belt.
" voltage-flow " curve is preset in driving point weighing belt J, i.e., is believed according to the weight that weighing belt detects
Number voltage is directly by searching for curve, so that it may obtain corresponding flow number.When the A point that we study (sometime tunnels
That section of coal on point weighing belt J) coal by driving point weighing belt J when, driving point weighing belt J passes through the weight that detects
Signal voltage, and " voltage-flow " curve of storage is searched, flow number at this time is obtained, and this flow number is sent to
Underground center-controlling computer, for carrying out frequency control to main belt.The weight signal voltage value of A point is pushed into system simultaneously
Storehouse.Since driving point weighing belt J is simple weighing belt, working condition is bad, and measuring accuracy is lower, the data on flows of the A point
It may be inaccurate.
When the material of A point passes through conveyor belt and becomes owner of weighing belt Z through delay after a period of time is laggard, it can obtain
The accurate weight of A point and corresponding flow value, take out the weight signal voltage value of corresponding A point from storehouse again at this time, carry out
It compares, so that it may correct A point " voltage-flow " ratio, that is, some point of " voltage-flow " curve are obtained, it should
Point is known as " slope " in weighting model.After obtaining the point " slope ", which is used to correct to be stored in and tunnels point skin
" voltage-flow " curve of belt scale J, forms new curve.Above procedure is indicated with following equation:
Zaq/Jav=Ja(slope) formula 1
In formula: the corresponding flow value t/h of the main weighing belt A point of Zaq-,
Jav-corresponding weight signal voltage value the V of driving point weighing belt A point,
The weighing slope t/hv of Ja-correspondence and A point weight signal voltage value.
In driving point weighing belt J, when having detected that material passes through, material at this time is calculated using following formula
Flow value Jxq, and it is sent to central computer, carry out main belt speed control.
Jxv x Jx=Jxq formula 2
In formula: the x point weight signal voltage value that Jxv-weighing belt detects,
Correspondence x point slope value in Jx-" voltage-flow " curve,
The flow value of the x point on Jxq-weighing belt.
The above content describes A(x) road Dian Qian detects (a driving point belt scale metering) and rear road detects (main weighing belt meter
Amount) comparison and makeover process, and when driving point weighing belt J is worked normally calculate the process of flow, and by difference
Detection and amendment, so that it may to original be stored in driving point weighing belt J curve constantly corrected, to realize system
Study circulation.
In addition to the implementation, the present invention can also have other embodiments.It is all to use equivalent substitution or equivalent transformation shape
At technical solution, fall within the scope of protection required by the present invention.
Claims (6)
1. a kind of control system for improving bad working environments hypodermis belt scale precision, it is characterised in that: including driving point weighing belt, main skin
Belt scale and master controller；
Driving point weighing belt is mounted in the driving conveyor belt at driving point, the weight signal of the material of acquisition conveying nearby, and
The signal and corresponding speed signal are transmitted to master controller together；
Main weighing belt is mounted in the driving subsequent main conveyor belt of conveyor belt, the weight of accurate the conveyed material of acquisition, will
Accurate flow signal and corresponding speed signal are transmitted to master controller together；
Master controller is independent computer or its function merges in the instrument of weighing belt, acquisition driving point weighing belt and master
Weight, flow and the speed signal that weighing belt is sent, and calculated according to the learning model in master controller, it is tunneled
Flow signal after point weighing belt correction, and be sent to higher level and control computer, realize instant driving point weighing belt accurate flow
The output of numerical value.
2. improving the control system of bad working environments hypodermis belt scale precision as claimed in claim 1, it is characterised in that: driving point weighing belt
Using the floated weighing unit of single-point in array weighing belt.
3. improving the control system of bad working environments hypodermis belt scale precision as claimed in claim 2, it is characterised in that: main weighing belt uses
Array weighing belt.
4. a kind of control method of the control system as claimed in claim 1 for improving bad working environments hypodermis belt scale precision, feature exist
In the following steps are included:
(1) the installation driving point weighing belt on the belt of driving point detects that material passes through the weight of moment point by driving point weighing belt
Measure signal voltage；
(2) " voltage-flow " curve is preset in driving point weighing belt, the weight signal voltage detected according to driving point weighing belt
Directly by searching for Curve Matching, so that it may obtain corresponding flow number, the flow number that will match to is sent to center control
Device, for carrying out frequency control to main belt；
(3) the system that driving point weighing belt detects weight signal voltage of the material Jing Guo moment point while being pushed into master controller
Storehouse；
(4) the material on aforementioned moment point passes through conveyor belt and becomes owner of weighing belt through delay after a period of time is laggard, can obtain
The moment point accurate weight and corresponding flow value, found out from system stack again at this time and put a weighing belt in driving and detect
The weight signal voltage value of corresponding moment point is compared, so that it may which correct " voltage-flow " ratio for obtaining moment point is bent
Line；
(5) already present default " voltage-flow " curve in driving point weighing belt is modified, by revised " voltage-
Flow " curve is refilled into driving point weighing belt；
(6) the detection and amendment to difference are passed through, so that it may be carried out to " voltage-flow " curve is preset in driving point weighing belt
Constantly amendment, to realize the study circulation of system.
5. improving the control method of the control system of bad working environments hypodermis belt scale precision as claimed in claim 4, it is characterised in that:
When initially setting up only one moment point of curve, other each points can use identical " voltage-flow " curve on curve
Numerical value as initial value.
6. improving the control method of the control system of bad working environments hypodermis belt scale precision as claimed in claim 5, it is characterised in that: first
When secondary use " voltage-flow " curve, initial output maximum stream flow signal is taken to output result, so that main belt enters height
Fast mode, then by subsequent study circulation, it is cracking to find correctly output as a result, exporting correct numerical value again, make main skin
Band enters correct control flow.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110501057A (en) * | 2019-09-03 | 2019-11-26 | 武汉开锐海洋起重技术有限公司 | Bulk material unsteady flow Weighing method |
| CN110963242A (en) * | 2019-11-29 | 2020-04-07 | 神华粤电珠海港煤炭码头有限责任公司 | Variable-frequency driving speed-adjustable system for belt conveyor process |
| CN113307053A (en) * | 2021-06-03 | 2021-08-27 | 中材天山(云浮)水泥有限公司 | Automatic loading control system for bulk clinker |
| CN114671212A (en) * | 2022-03-22 | 2022-06-28 | 神华天津煤炭码头有限责任公司 | Belt material flow tracking method and device and computer equipment |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101206136A (en) * | 2007-12-06 | 2008-06-25 | 云南昆船电子设备有限公司 | Weighing method of electronic belt conveyor scale capable of checking automatically |
| CN201514272U (en) * | 2009-06-12 | 2010-06-23 | 铜陵市三爱思电子有限公司 | Belt conveyer metering device for weighing continuous bulk cargo |
| CN201780161U (en) * | 2010-07-27 | 2011-03-30 | 上海罗泾矿石码头有限公司 | Belt scale compound checking device for metering conveyor |
| CN201993154U (en) * | 2010-11-17 | 2011-09-28 | 营口大和制衡产业有限公司 | Self-checking electronic belt conveyor scale |
| CN103674195A (en) * | 2013-12-04 | 2014-03-26 | 北京心觉工业设计有限责任公司 | Weighing device based on electronic belt weighers and belt high-precision metering method |
| CN204461565U (en) * | 2015-03-16 | 2015-07-08 | 开封市测控技术有限公司 | Belt Conveying metrology system |
| CN104949748A (en) * | 2014-03-31 | 2015-09-30 | 宝钢不锈钢有限公司 | Method for self-testing of electronic belt weighing in real-time and online way |
| CN105806463A (en) * | 2016-03-08 | 2016-07-27 | 河南丰博自动化有限公司 | Material test-based constant belt weigher quantification accuracy detecting method and device |
| CN206556758U (en) * | 2017-03-08 | 2017-10-13 | 中化重庆涪陵化工有限公司 | The online scale correcting apparatus of belted electronic balance |
| CN208109248U (en) * | 2017-12-04 | 2018-11-16 | 南京三埃工控有限公司 | A kind of control system improving bad working environments hypodermis belt scale precision |
-
2017
- 2017-12-04 CN CN201711257494.1A patent/CN109764946A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101206136A (en) * | 2007-12-06 | 2008-06-25 | 云南昆船电子设备有限公司 | Weighing method of electronic belt conveyor scale capable of checking automatically |
| CN201514272U (en) * | 2009-06-12 | 2010-06-23 | 铜陵市三爱思电子有限公司 | Belt conveyer metering device for weighing continuous bulk cargo |
| CN201780161U (en) * | 2010-07-27 | 2011-03-30 | 上海罗泾矿石码头有限公司 | Belt scale compound checking device for metering conveyor |
| CN201993154U (en) * | 2010-11-17 | 2011-09-28 | 营口大和制衡产业有限公司 | Self-checking electronic belt conveyor scale |
| CN103674195A (en) * | 2013-12-04 | 2014-03-26 | 北京心觉工业设计有限责任公司 | Weighing device based on electronic belt weighers and belt high-precision metering method |
| CN104949748A (en) * | 2014-03-31 | 2015-09-30 | 宝钢不锈钢有限公司 | Method for self-testing of electronic belt weighing in real-time and online way |
| CN204461565U (en) * | 2015-03-16 | 2015-07-08 | 开封市测控技术有限公司 | Belt Conveying metrology system |
| CN105806463A (en) * | 2016-03-08 | 2016-07-27 | 河南丰博自动化有限公司 | Material test-based constant belt weigher quantification accuracy detecting method and device |
| CN206556758U (en) * | 2017-03-08 | 2017-10-13 | 中化重庆涪陵化工有限公司 | The online scale correcting apparatus of belted electronic balance |
| CN208109248U (en) * | 2017-12-04 | 2018-11-16 | 南京三埃工控有限公司 | A kind of control system improving bad working environments hypodermis belt scale precision |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110501057A (en) * | 2019-09-03 | 2019-11-26 | 武汉开锐海洋起重技术有限公司 | Bulk material unsteady flow Weighing method |
| CN110501057B (en) * | 2019-09-03 | 2021-02-23 | 武汉开锐海洋起重技术有限公司 | Bulk material dynamic and static coupling weighing metering method |
| CN110963242A (en) * | 2019-11-29 | 2020-04-07 | 神华粤电珠海港煤炭码头有限责任公司 | Variable-frequency driving speed-adjustable system for belt conveyor process |
| CN113307053A (en) * | 2021-06-03 | 2021-08-27 | 中材天山(云浮)水泥有限公司 | Automatic loading control system for bulk clinker |
| CN114671212A (en) * | 2022-03-22 | 2022-06-28 | 神华天津煤炭码头有限责任公司 | Belt material flow tracking method and device and computer equipment |
| CN114671212B (en) * | 2022-03-22 | 2024-03-29 | 国能(天津)港务有限责任公司 | Belt material flow tracking method and device and computer equipment |
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