CN110455393A - A kind of belted electronic balance method for real-time monitoring that accuracy is high - Google Patents
A kind of belted electronic balance method for real-time monitoring that accuracy is high Download PDFInfo
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- CN110455393A CN110455393A CN201910821752.7A CN201910821752A CN110455393A CN 110455393 A CN110455393 A CN 110455393A CN 201910821752 A CN201910821752 A CN 201910821752A CN 110455393 A CN110455393 A CN 110455393A
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- belted electronic
- electronic balance
- aggregate
- cumulant
- acquisition unit
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G23/00—Auxiliary devices for weighing apparatus
- G01G23/01—Testing or calibrating of weighing apparatus
Abstract
The invention belongs to the check weighing technical fields to the material under transmission state, in particular to a kind of belted electronic balance method for real-time monitoring that accuracy is high, be installed in series two belted electronic balances on same belt conveyor, respectively the first belted electronic balance and the second belted electronic balance, it realizes while measuring, first belted electronic balance is connect with primary scene signal acquisition unit, second belted electronic balance is connect with secondary scene signal acquisition unit, primary scene signal acquisition unit and secondary scene signal acquisition unit are connected to a terminal handler simultaneously, terminal handler is connected to warning device by controller.
Description
Technical field
The invention belongs to the check weighing technical field to the material under transmission state, in particular to a kind of electronics that accuracy is high
Weighing belt method for real-time monitoring.
Background technique
Metering device of the belted electronic balance as the bulk material of Belt Conveying, is having been more and more widely used,
Its degree of recognition applied also is being substantially improved.The measuring principle of belted electronic balance be by belted electronic balance weighing gantry be installed on it is defeated
It send in rack, when material passes through, metering carrying roller detects that the weight of material on belt feeder acts on weighing sensor, generates one
A electric signal for being proportional to belt load is sent into terminal handler, while being equipped with velocity sensor in belt equipment, surveys
The speed signal obtained is also fed into terminal handler, and speed signal and weighing-up wave are carried out Integral Processing, obtained by terminal handler
Instantaneous flow and cumulative amount.
But since belted electronic balance is the dynamic material in metering operation on belt, inevitably can in dynamic metering process
There is deviation, during belt feeder operating, since the sideslip of belt, mechanical breakdown, material are uneven etc. on belt
A variety of causes is likely to cause the error (also there is more detailed description in embodiment part of this point below) of electronic scale,
And if the reason of leading to instantaneous error, cannot be discharged in time, which will be surveyed always present in subsequent
In the data of the instantaneous weight flow obtained, the instantaneous error at final each moment is all added on aggregate-value, causes to count
To aggregate-value and actual transmissions total inventory between there is larger difference.When staff by enter background data base,
When carrying out analysis comparison to the measurement data being recorded and recognizing this error, it is likely that complete to deliver goods to client
, and in order to make up this error again, it not only will increase subsequent workload, be also easy to influence the credibility of itself.And even if
Instantaneous error is had found in time, it is also desirable to belt be stopped transport, after being cleared up associated assay devices, being corrected, then again
Start conveyor belt, correspondingly reduces efficiency of transmission.
Therefore deviation how is found in time and correction of deviation is to guarantee efficiency of transmission and meter in the case where not influencing transmission
Measure the key link of accuracy.
Summary of the invention
In order to solve the above technical problems, the present invention provides a kind of belted electronic balance method for real-time monitoring that accuracy is high,
Be installed in series (length direction i.e. along the belt of horizontal extension is arranged successively installation) two electricity on same belt conveyor
Sub- weighing belt, respectively the first belted electronic balance and the second belted electronic balance realize while measuring, the first belted electronic balance and the
The connection of one field signal acquisition unit, the second belted electronic balance are connect with secondary scene signal acquisition unit, primary scene signal
Acquisition unit and secondary scene signal acquisition unit are connected to a terminal handler simultaneously, and terminal handler is connected by controller
It is connected to warning device, meanwhile, terminal handler is also attached on terminal computer,
Wherein, the first belted electronic balance and the second belted electronic balance are two same specifications, same parameter, the array with producer
Belted electronic balance (Nanjing Sanai Industry Control Joint-stock Co., Ltd ICS-ZL array weighing belt) includes eight on every belted electronic balance
Group the floated weighing unit of single-point (i.e. weighing sensor, eight groups of weighing units along the belt of horizontal extension length direction according to
Secondary arrangement), the velocity sensor for belt transmission rate, weighing sensor and the biography that tests the speed are additionally provided on every belted electronic balance
Sensor is sent to the signal measured by signal cable the field signal acquisition unit being connected with the belted electronic balance respectively,
The analog signal of acquisition is converted to digital signal and sends remote terminal processor to by signal acquisition unit, and terminal handler carries out
Integral Processing obtains instantaneous flow and cumulative amount,
Obtained instantaneous flow is handled by terminal handler and cumulative amount be stored in terminal computer and can by with
When find (instantaneous flow measured by two belted electronic balances can be generated respectively on terminal computer with the time be horizontal seat
Mark, using instantaneous flow value as the curve of ordinate), terminal handler can also be by load weight detected by two belted electronic balances
(a certain position of belt is transferred to above another belted electronic balance above a belted electronic balance to be needed centainly the data of amount
Time, as long as therefore terminal handler the aggregate-value on two belted electronic balances is extracted and is located according to the time interval
Reason can) carry out calculation process, calculate aggregate-value deviation, aggregate-value deviation ratio, and be compared with " allowed band ",
When calculated aggregate-value deviation is more than allowed band, terminal handler controls warning device by controller and sends out
Class C sound-light alarm out,
" aggregate-value deviation " is the load cumulant number on belt detected by two belted electronic balances at same position
Value difference (absolute value), i.e., the current aggregate-value of aggregate-value deviation=A scale-current aggregate-value of B scale (set the current aggregate-value of A scale as
Numerical value it is higher that),
The allowed band of " aggregate-value deviation " here are as follows: any in the current aggregate-value of A scale and the current aggregate-value of B scale
Item is just 50000 ton hours, and allowed band is 50 tons；
When calculated " aggregate-value deviation ratio " is more than the allowed band of error rate, terminal handler passes through controller control
Warning device processed issues Class B sound-light alarm,
Aggregate-value deviation ratio=(the current aggregate-value of the A scale-current aggregate-value of B scale) current aggregate-value × 100% of ÷ A scale,
In, if the current aggregate-value of A scale be numerical value it is higher that,
The allowed band of " aggregate-value deviation ratio " here is 5 ‰ (to generally use in industry)；
When calculated " aggregate-value deviation ", " aggregate-value deviation ratio " are above respective allowed band, terminal processes
Device controls warning device by controller and issues Class A sound-light alarm (Class A sound-light alarm, Class B sound-light alarm, Class C acousto-optic report
Police is according to fault degree by again to gently successively classifying),
When staff hears alarm, the instantaneous stream of two belted electronic balances recorded in computer is checked in time
Curve is measured, judges which is according to the tendency (the phenomenon that ordinate great-jump-forward rises or falls occur on such as which curve) of curve
Belt scale corresponding to curve receives interference and causes error, at this time to the zone of action of this belt scale into
Row observation, cleaning or maintenance, it is ensured that it restores normal；Another belt scale is significantly interfered with due to being not affected by simultaneously, still
The weight that material is transmitted in lower belt can be relatively accurately measured and recorded, there is no need to belts of stopping transport, and are also able to achieve real-time meter
Amount.
As preferred: belt of the length of the first belted electronic balance and the second belted electronic balance along horizontal extension
Length direction is 20 meters or so, at a distance of 10 meters or so between the first belted electronic balance and the second belted electronic balance, it is seen then that the first electricity
Sub- weighing belt and the second belted electronic balance close proximity can guarantee that two scales are run under similarity condition, to disappear as far as possible in this way
Except the error between two scales.
Detailed description of the invention
Fig. 1 is the connection schematic diagram of belted electronic balance real-time monitoring system in the present invention,
Fig. 2 is the weighing sensor on belted electronic balance and the phase between the conveyer bridge where belt in the present invention
To the general configuration schematic diagram of position (with a weighing and sensing in eight groups of floated weighing units of single-point (i.e. weighing sensor)
For device), wherein the 1-the first belted electronic balance, the 2-the second belted electronic balance, 3-primary scene signal acquisition units, 4-
Secondary scene signal acquisition unit, 5-terminal handlers, 6-controllers, 7-warning devices, 8-belts, 81-brackets, 9-
Terminal computer, 10-weighing sensors.
Specific embodiment
Shown in reference to the accompanying drawings, it is defeated that the high belted electronic balance method for real-time monitoring of accuracy of the invention is included in same belt
Two belted electronic balances that are installed in series on machine are sent to count simultaneously to the weight of material transmitted on the belt 8 of the belt conveyor
Amount, respectively the first belted electronic balance 1 and the second belted electronic balance 2, the first belted electronic balance 1 and primary scene signal acquisition list
Member 3 connects, and the second belted electronic balance 2 connect with secondary scene signal acquisition unit 4, primary scene signal acquisition unit 3 and the
Two field signal acquisition units 4 are connected to a terminal handler 5 simultaneously, and terminal handler 5 is connected to alarm by controller 6
Device 7, meanwhile, terminal handler 5 is also attached on terminal computer 9,
First belted electronic balance 1 and the second belted electronic balance 2 are two same specifications, same parameter, the array electricity with producer
Eight groups of floated weighing units of single-point are respectively included on sub- weighing belt, the first belted electronic balance 1 and the second belted electronic balance 2,
As shown in Fig. 2, such as when having in the material transmitted on 8 upper surface of belt it partially falls two on bracket 81
Region between the vertical dotted line of item (sets the region as the sensing region of the weighing sensor 10 shown in Fig. 2, the region or so
Adjacent area is the sensing region of 10 or so the adjacent sensors of weighing sensor), then the weight for the material that this part is fallen
Amount is perceived the weighing sensor 10 for being installed in 81 lower section of bracket always, leads to electronics belonging to the weighing sensor 10
The obtained instantaneous weight of weighing belt can be consistently higher than the material actual weight transmitted herein by belt 8, and accumulating weight
It is to be superimposed by these instantaneous weights, therefore accumulating weight measured by the weighing sensor 10 or belted electronic balance will be more
More to be higher than actual accumulation total weight, error caused to be more and more obvious,
And real-time monitoring is carried out by two same belted electronic balances in this programme, two belted electronic balances can be surveyed
The load capacity obtained is compared, and when comparing the gap got off beyond setting range, illustrates that wherein one goes wrong, further according to
" time-instantaneous weight " coordinate curve generated judges, or transfers monitoring or carry out site observation, is actually to make clear
There is any problem.
Claims (3)
1. a kind of belted electronic balance method for real-time monitoring that accuracy is high, it is characterised in that: the method is, defeated in same belt
Two belted electronic balances that are installed in series on machine are sent to carry out simultaneously to the weight of material transmitted on the belt of the belt conveyor
Metering, respectively the first belted electronic balance (1) and the second belted electronic balance (2), first belted electronic balance (1) and first
Field signal acquisition unit (3) connection, second belted electronic balance (2) are connect with secondary scene signal acquisition unit (4),
The primary scene signal acquisition unit (3) and the secondary scene signal acquisition unit (4) are connected at a terminal simultaneously
It manages device (5), the terminal handler (5) is connected to warning device (7) by controller (6),
The weighing-up wave and transmission rate signal that first belted electronic balance (1) is measured pass through the primary scene signal
Acquisition unit (3) is sent to the terminal handler (5) after being converted to digital signal, and the terminal handler (5) is integrated
It handles and obtains the instantaneous flow and cumulative amount of first belted electronic balance (1),
The weighing-up wave and transmission rate signal that second belted electronic balance (2) is measured pass through the secondary scene signal
Acquisition unit (4) is sent to the terminal handler (5) after being converted to digital signal, and the terminal handler (5) is integrated
It handles and obtains the instantaneous flow and cumulative amount of second belted electronic balance (2),
The terminal handler (5) is by the cumulant of first belted electronic balance (1) under the conditions of equal transport and described
The cumulant of second belted electronic balance (2) carries out calculation process, calculates aggregate-value deviation and aggregate-value deviation ratio, and respectively with
The allowed band of the aggregate-value deviation and the allowed band of the aggregate-value deviation ratio carry out data comparison,
It is described when the aggregate-value deviation is greater than its allowed band and/or the aggregate-value deviation ratio is greater than its allowed band
Terminal handler (5) controls the warning device (7) by the controller (6) and sounds an alarm,
The aggregate-value deviation is the cumulant of first belted electronic balance (1) and second electricity under the conditions of equal transport
The absolute value of the difference of the cumulant of sub- weighing belt (2),
Under the conditions of equal transport, the aggregate-value deviation ratio=(cumulant-of first belted electronic balance (1) described
The cumulant of two belted electronic balances (2)) the first belted electronic balance (1) described in ÷ cumulant × 100%, wherein set described
The cumulant of one belted electronic balance (1) is higher than the cumulant of second belted electronic balance (2).
2. the high belted electronic balance method for real-time monitoring of accuracy as described in claim 1, it is characterised in that: described first
Belted electronic balance (1) and second belted electronic balance (2) are two same specifications, same parameter, the array electronic with producer
Weighing belt.
3. the high belted electronic balance method for real-time monitoring of accuracy as described in claim 1, it is characterised in that: described first
Eight groups of floated weighing units of single-point are respectively included on belted electronic balance (1) and second belted electronic balance (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910821752.7A CN110455393B (en) | 2019-09-02 | 2019-09-02 | High-accuracy real-time monitoring method for electronic belt scale |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910821752.7A CN110455393B (en) | 2019-09-02 | 2019-09-02 | High-accuracy real-time monitoring method for electronic belt scale |
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| Publication Number | Publication Date |
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| CN110455393A true CN110455393A (en) | 2019-11-15 |
| CN110455393B CN110455393B (en) | 2021-05-04 |
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| CN201910821752.7A Active CN110455393B (en) | 2019-09-02 | 2019-09-02 | High-accuracy real-time monitoring method for electronic belt scale |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202267529U (en) * | 2011-09-21 | 2012-06-06 | 博爱县电业公司 | Calibration device for electrical belt weigher |
| CN103900674A (en) * | 2012-12-28 | 2014-07-02 | 山东中烟工业有限责任公司青岛卷烟厂 | Accuracy judging method of weighing system composed of multiple electronic belt scales |
| CN105241537A (en) * | 2015-09-17 | 2016-01-13 | 赛摩电气股份有限公司 | Device and method for adjusting weighing precision stability of electronic belt scale |
| CN108225533A (en) * | 2018-01-16 | 2018-06-29 | 广州发展集团股份有限公司 | A kind of method of calibration of weighing of belt conveyer scale |
| CN108519139A (en) * | 2018-04-27 | 2018-09-11 | 徐州依科电气有限公司 | Belt balance with high precision |
| CN108871542A (en) * | 2018-09-21 | 2018-11-23 | 龙岩烟草工业有限责任公司 | For monitoring the methods, devices and systems of weighing belt accuracy |
| CN208383254U (en) * | 2018-06-28 | 2019-01-15 | 无锡港晖电子有限公司 | A kind of simple weighing belt instrument of automatic survey skin |
-
2019
- 2019-09-02 CN CN201910821752.7A patent/CN110455393B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202267529U (en) * | 2011-09-21 | 2012-06-06 | 博爱县电业公司 | Calibration device for electrical belt weigher |
| CN103900674A (en) * | 2012-12-28 | 2014-07-02 | 山东中烟工业有限责任公司青岛卷烟厂 | Accuracy judging method of weighing system composed of multiple electronic belt scales |
| CN105241537A (en) * | 2015-09-17 | 2016-01-13 | 赛摩电气股份有限公司 | Device and method for adjusting weighing precision stability of electronic belt scale |
| CN108225533A (en) * | 2018-01-16 | 2018-06-29 | 广州发展集团股份有限公司 | A kind of method of calibration of weighing of belt conveyer scale |
| CN108519139A (en) * | 2018-04-27 | 2018-09-11 | 徐州依科电气有限公司 | Belt balance with high precision |
| CN208383254U (en) * | 2018-06-28 | 2019-01-15 | 无锡港晖电子有限公司 | A kind of simple weighing belt instrument of automatic survey skin |
| CN108871542A (en) * | 2018-09-21 | 2018-11-23 | 龙岩烟草工业有限责任公司 | For monitoring the methods, devices and systems of weighing belt accuracy |
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| CN110455393B (en) | 2021-05-04 |
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