CN108444405A - A kind of list anode rod pawl capitiform change on-line detecting system - Google Patents
A kind of list anode rod pawl capitiform change on-line detecting system Download PDFInfo
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- CN108444405A CN108444405A CN201810226714.2A CN201810226714A CN108444405A CN 108444405 A CN108444405 A CN 108444405A CN 201810226714 A CN201810226714 A CN 201810226714A CN 108444405 A CN108444405 A CN 108444405A
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- 230000008859 change Effects 0.000 title description 3
- 238000001514 detection method Methods 0.000 claims abstract description 109
- 238000000034 method Methods 0.000 claims abstract description 25
- 230000008569 process Effects 0.000 claims abstract description 21
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 64
- 229910052799 carbon Inorganic materials 0.000 claims description 64
- 230000005693 optoelectronics Effects 0.000 claims description 38
- 238000012545 processing Methods 0.000 claims description 11
- 238000004364 calculation method Methods 0.000 claims description 10
- 238000007689 inspection Methods 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims 2
- 238000004519 manufacturing process Methods 0.000 abstract description 12
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract description 6
- 229910052782 aluminium Inorganic materials 0.000 abstract description 6
- 230000036541 health Effects 0.000 abstract description 4
- 238000012360 testing method Methods 0.000 abstract description 4
- 238000005868 electrolysis reaction Methods 0.000 abstract description 2
- 229910000831 Steel Inorganic materials 0.000 description 21
- 239000010959 steel Substances 0.000 description 21
- 210000000078 claw Anatomy 0.000 description 12
- 238000012423 maintenance Methods 0.000 description 7
- 230000008439 repair process Effects 0.000 description 6
- 239000004411 aluminium Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000000465 moulding Methods 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 238000005259 measurement Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000011895 specific detection Methods 0.000 description 2
- 239000003610 charcoal Substances 0.000 description 1
- 238000000205 computational method Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
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- 239000000203 mixture Substances 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/16—Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge
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Abstract
The present invention relates to a kind of single anode rod pawl capitiforms to become on-line detecting system, including detection subsystem and data process subsystem, subsystem output connection data process subsystem is detected, detection subsystem realizes the detection of pawl head actual diameter value and/or the detection of pawl head offset.The automatic detection of the deformation of single anode rod pawl head can be realized by the detecting system, compared to artificial manual detection mode, a large amount of human resources need not be occupied, and after obtaining detection data, testing result can be obtained immediately, so measuring speed is fast, efficient, due to inartificial disturbing factor, therefore, detection error is small, can effectively improve production efficiency, improves accuracy of detection.Also, the detecting system can be at any time detected during Aluminum Electrolysis Production, and staff is it is not necessary that aside, therefore, which can realize on-line checking at any time, additionally it is possible to avoid production pollution damage caused by health.
Description
Technical field
The present invention relates to a kind of single anode rod pawl capitiforms to become on-line detecting system.
Background technology
Single anode guide rod steel claw is the important component of Aluminium Industry, as shown in Figure 1, the pawl head number of steel pawl is not unique,
It is configured according to actual production needs.As shown in Figure 1, each pawl head is sequentially arranged along pawl head orientation.Single anode is led
For bar steel pawl in course of normal operation, each pawl head is in merging carbon block carbon nest.Single anode guide rod steel claw is grown during the work time
Time is in the environment of high temperature, since steel pawl is limited by anode carbon block, when girder steel is expanded along carbon block length direction, and pawl head
It is fettered by carbon block so that pawl head diametrically generates thermal stress at the rim of a bowl and pawl head is caused to deform, mainly the pawl of both sides
Bending in hair life, i.e., each pawl head occur bending and deformation in pawl head orientation.Pawl head occurs bending and deformation, and can lead to pawl head
It can not be placed in carbon block carbon nest.Further, since carbon block is not to have completely consumed in electrolytic cell, this makes after leaving electrolytic cell
Single anode guide rod steel claw on remain part residue, this also results in the deformation of pawl head.Single anode rod that above-mentioned factor is
Steel pawl generates deformation, has seriously affected the normal production of electrolytic aluminium process, has also seriously restrict the production efficiency and economy of factory
Benefit.
If pawl head deformation extent can not be seriously continuing with, needs to be sent to maintenance area and repair.Factory owner at present
Still to observe, judge whether steel pawl can continue to use by the experience of worker using artificial hand detecting method, this method
A large amount of human resources are not only taken up, and measuring speed is slow, efficiency is low, error is big.In addition, existing during Aluminum Electrolysis Production
Dust pollution generates certain influence to the health of worker.Therefore, a kind of automatic detection device is invented to replace manually grasping
Make, can not only effectively improve production efficiency, improve accuracy of detection, while avoiding production pollution damage caused by health
Evil.
Invention content
The object of the present invention is to provide a kind of single anode rod pawl capitiforms to become on-line detecting system, to solve using artificial
Hand inspection judge steel pawl whether can continue to the mode used measuring speed is slow, efficiency is low, error is big problem.
To achieve the above object, the present invention includes following technical scheme.
A kind of list anode rod pawl capitiform change on-line detecting system, which is characterized in that at detection subsystem and data
Subsystem is managed, the detection subsystem output connects the data process subsystem, and the detection subsystem realizes that pawl head is practical
The detection of diameter value and/or the detection of pawl head offset.The detection subsystem detects the actual diameter value of each pawl head, and will inspection
The data measured are exported to data process subsystem, and data process subsystem compares actual diameter value and carbon nest diameter, when having
When actual diameter value is more than carbon nest diameter, judges corresponding pawl head deformation, indicate that pawl head can not be placed in carbon block carbon nest；It is described
Detection subsystem detects offset of each pawl head along pawl head radial direction, and the data detected are exported to data process subsystem,
Data process subsystem compares offset and corresponding maximum allowable offset threshold value, permits when the amount of offsetting is more than corresponding maximum
Perhaps when offset threshold value, judgement has the offset of pawl head excessive, and being determined with pawl head can not be placed in carbon block carbon nest.
Detection subsystem detects the relevant information of each pawl head in real time, by judging the shape of pawl head to the processing of detection information
Become situation, and then judge whether had pawl head that can not be placed in carbon block carbon nest, i.e., whether pawl head being capable of normal use.So
The automatic detection that the deformation of single anode rod pawl head can be realized by the detecting system passes through the judgement processing to detection data
It realizes automatic detection, compared to artificial manual detection mode, a large amount of human resources need not be occupied, and obtaining testing number
According to later, testing result can be obtained immediately, so, measuring speed is fast, efficient, due to inartificial disturbing factor,
Therefore, detection error is small, can effectively improve production efficiency, improves accuracy of detection.Also, the detecting system can be electrolysed
It is detected at any time in aluminium production process, and staff is it is not necessary that aside, therefore, which can realize online inspection at any time
It surveys, additionally it is possible to avoid production pollution damage caused by health.
Further, the detection subsystem realizes the detection of the detection and pawl head offset of pawl head actual diameter value.
Further, pawl head includes deformation quantity and pawl head of the pawl head in pawl head orientation along the offset of pawl head radial direction
Deformation quantity on the direction perpendicular with pawl head orientation, the detection subsystem include first detection module and the second inspection
Survey module, the first detection module realize the pawl head actual diameter value detection and the pawl head in pawl head orientation
Deformation quantity detection, second detection module realizes shape of the pawl head on the direction perpendicular with pawl head orientation
The detection of variable.
Further, set pawl head number as N, the first detection module includes N number of distance measuring unit, each distance measuring unit with
Each pawl head corresponds, and distance measuring unit includes 2 distance measuring sensors, and i-th of pawl head corresponds to 2i-1 distance measuring sensor and the
2i distance measuring sensor, 2 distance measuring sensors of each distance measuring unit are used to be arranged in the both sides of corresponding pawl head, and each distance measuring unit
2 distance measuring sensors arranged in pawl head orientation, the actual diameter value φ of i-th of pawl headiCalculation formula be：
φi=Li-T2i-1-T2i
Wherein, LiFor the distance values between 2 distance measuring sensors of i-th of distance measuring unit, T2iIt is sensed for the 2i ranging
Device is at a distance from i-th of pawl head, T2i-1It is the 2i-1 distance measuring sensor at a distance from i-th of pawl head；
Offset Δ T of i-th of pawl head along pawl head orientationiCalculation formula be：
ΔTi=| T2i-T2i-1|
The corresponding maximum allowable offset threshold value Δ T of i-th of pawl headmaxiCalculation formula be：
Wherein, DiFor the corresponding carbon nest diameter of i-th of pawl head.
Further, second detection module includes two groups of correlation optoelectronic switches, first group of correlation optoelectronic switch
In light and second group of correlation optoelectronic switch in light ray parallel, the light edge in first group of correlation optoelectronic switch
Pawl head orientation extension, the light in first group of correlation optoelectronic switch and second group of correlation optoelectronic switch
In light between form a detection zone, each pawl head is sequentially arranged in the detection zone, when have pawl head with pawl head
When the offset in the perpendicular direction of orientation is more than corresponding maximum allowable offset threshold value, pawl head will exceed the inspection
Region is surveyed, has the light at least one set of correlation optoelectronic switch that will be blocked, by detecting whether light is blocked judgement
Whether there is offset of the pawl head on the direction perpendicular with pawl head orientation excessive.
Further, in the light in first group of correlation optoelectronic switch and second group of correlation optoelectronic switch
The distance between light be carbon nest diameter.
Further, distance measuring sensor is diffusing reflection laser range finder.
Description of the drawings
Fig. 1 is single anode rod structure three-view diagram；
Fig. 2 is the arrangement schematic diagram of distance measuring sensor；
Fig. 3 is pawl head parameter schematic diagram；
Fig. 4 is correlation optoelectronic switch position distribution schematic diagram.
Specific implementation mode
List anode rod pawl head (i.e. single anode guide rod steel claw) deformation on-line detecting system provided in this embodiment includes two
It is most of, it is detection subsystem and data process subsystem, detection subsystem output connection data process subsystem, detection respectively
Subsystem is used to detect the related data information of single anode rod pawl head, the data that data process subsystem is used to obtain detection
Analyzing processing is carried out, to be detected to the deformation of single anode rod pawl head.Data process subsystem is data processing equipment, this
Embodiment provides a kind of realization method, and data process subsystem is made of PLC and host computer.
Single anode rod pawl head is there are two types of the detection of deformation, and one is the detection of pawl head actual diameter value, another kind is pawl
The detection (i.e. offset of the pawl head along pawl head radial direction) of head offset, therefore, by carrying out one of which detection process
The detection that single anode rod pawl capitiform becomes is realized, certainly, in order to realize the complete detection of single anode rod pawl head, the present embodiment
In, detection subsystem carries out the detection of the detection and pawl head offset of pawl head actual diameter value.
Detection subsystem detects the actual diameter value of each pawl head, and the data that detection obtains are exported and give data processing subsystem
System, data process subsystem compare actual diameter value and carbon nest diameter, when there is actual diameter value to be more than carbon nest diameter, judgement pair
The pawl head deformation answered, indicates that pawl head can not be placed in carbon block carbon nest, that is to say, that as long as detection has at least one pawl head to become
Shape can not be placed in carbon block carbon nest, mean that the list anode rod pawl head can not normal use again, need to be sent to maintenance area dimension
It repaiies.Detection subsystem detects offset of each pawl head along pawl head radial direction, and the data detected are exported and give data processing subsystem
System, data process subsystem compares offset and corresponding maximum allowable offset threshold value, when the amount of offsetting more than it is corresponding most
When big allowable offset threshold value, judgement has the offset of pawl head excessive, and being determined with pawl head can not be placed in carbon block carbon nest, that is,
It says, as long as detection has the offset of at least one pawl head to be more than corresponding maximum allowable offset threshold value, which can not set
Enter in carbon block carbon nest, mean that the list anode rod pawl head can not normal use again, need to be sent to maintenance area repair.I.e. by pair
The theoretical value of carbon block carbon nest and the maximum offset of permission carry out comparison and may determine that can pawl head be molded with carbon block.
The shape changing detection mode of single anode rod pawl head (i.e. single anode guide rod steel claw) is not unique, that is, detects subsystem
Specific implementation is not unique, can be detected using ultrasonic range finder, can also in the way of image procossing into
Row detection.But ultrasonic wave is larger by surrounding environment influence, general measure distance is shorter, and measurement accuracy is relatively low；At image
The cost of reason is higher, have it is more expensive compared with the usual price of the photographic device of high-protection level, and image procossing need more
Complicated hardware system and Processing Algorithm.Therefore, the present embodiment provides a kind of following specific detection mode.
As shown in Figure 1, each pawl head is arranged along pawl head orientation, then, for any one pawl head, the pawl head is along pawl
The radial offset of head includes two kinds, be deformation quantity (i.e. offset) of the pawl head in pawl head orientation and pawl head respectively with
Deformation quantity on the perpendicular direction of pawl head orientation.Correspondingly, detection subsystem includes two detection modules, is the respectively
One detection module and the second detection module, first detection module realize that the detection of pawl head actual diameter value and pawl head are arranged in pawl head
The detection of deformation quantity on direction, the second detection module realize deformation of the pawl head on the direction perpendicular with pawl head orientation
The detection of amount.
The pawl head number of single anode guide rod steel claw is set as N, then, first detection module includes just N number of distance measuring unit, i.e.,
Pawl head number is identical as the number of distance measuring unit, and each distance measuring unit is corresponded with each pawl head.For any one ranging
Unit, the distance measuring unit include 2 distance measuring sensors.So, if put in order there are one each pawl heads, each ranging list
Also there are one putting in order accordingly, corresponding two distance measuring sensors of each pawl head also have to put in order member accordingly.Specially：
1st pawl head corresponds to the 1st distance measuring sensor and the 2nd distance measuring sensor, the 2nd pawl head correspond to the 3rd distance measuring sensor and
4th distance measuring sensor, the 3rd pawl head correspond to the 5th distance measuring sensor and the 6th distance measuring sensor ... ..., i-th of pawl head
Corresponding 2i-1 distance measuring sensor and the 2i distance measuring sensor, wherein i=1,2 ... ..., N.For any one ranging
2 distance measuring sensors of unit, the distance measuring unit are arranged in the both sides of corresponding pawl head, and 2 surveys in all distance measuring units
It is arranged in pawl head orientation away from sensor, that is to say, that distance measuring sensor is arranged between pawl head both sides and pawl head, often
A distance measuring sensor for emitting light beam to different directions is respectively placed in a pawl head both sides, then, the arrangement side of each distance measuring sensor
Formula is with regard to as shown in Figure 2.In the present embodiment, distance measuring sensor is diffusing reflection laser range finder.
In addition, usually, pawl head is 360 ° omni-directional along the offset of pawl head radial direction, therefore, in addition to above-mentioned two side
To deformation except, other directions can be accomplished in the following manner it may also happen that the case where to other Direction distortions in pawl head
Deformation detection：Distance measuring unit includes more than two distance measuring sensor, these distance measuring sensors are circumferentially distributed along corresponding pawl head,
It is detected according to the testing principle of above-mentioned 2 distance measuring sensors, in this case, so that it may be occurred in all directions with detecting pawl head
The case where deformation, moreover, the number of distance measuring sensor is more, detection is more accurate.But due to the work of single anode guide rod steel claw
Property, the possibility occurred to the case where other Direction distortions is relatively low, and the present embodiment does not just consider further that these deformations.
Fig. 3 is the corresponding each detection data of each distance measuring sensor in Fig. 2, then, L1For 2 surveys of the 1st distance measuring unit
Away from the distance values between sensor, i.e. distance values between the 1st distance measuring sensor and the 2nd distance measuring sensor；L2It is the 3rd
Distance values between distance measuring sensor and the 4th distance measuring sensor；……；LiFor 2 distance measuring sensors of i-th of distance measuring unit
Between distance values, i.e. the distance values between 2i-1 distance measuring sensor and the 2i distance measuring sensor.T1For the 1st ranging
Sensor is at a distance from the 1st pawl head, T2It is the 2nd distance measuring sensor at a distance from the 1st pawl head；T3It is sensed for the 3rd ranging
Device is at a distance from the 2nd pawl head, T4It is the 4th distance measuring sensor at a distance from the 2nd pawl head；……；T2i-1It is surveyed for the 2i-1
Away from sensor at a distance from i-th of pawl head, T2iIt is the 2i distance measuring sensor at a distance from i-th of pawl head.D1For the 1st pawl head
Corresponding carbon nest diameter, D2For the corresponding carbon nest diameter ... ... of the 2nd pawl head, Di-1It is straight for the corresponding carbon nest of (i-1)-th pawl head
Diameter, DiFor the corresponding carbon nest diameter of i-th of pawl head (in general, each carbon nest diameter value is equal).φ1For the 1st pawl detected
The actual diameter value of head, φ2For the actual diameter value ... ... of the 2nd pawl head detected, φi-1For (i-1)-th detected
The actual diameter value of pawl head, φiFor the actual diameter value of i-th of the pawl head detected.
Wherein, Li、T2i-1、T2iFor the known quantity detected by distance measuring sensor, specially known analog amount signal, Di
For given value.
Each distance measuring sensor exports the data-signal detected in corresponding acquisition module in PLC13, by upper
Machine 14 writes software to handle measurement data.
Following calculating process and deterministic process are the processing procedures corresponding to the software program that host computer is write.
The actual diameter value φ of i-th of pawl headiCalculation formula be：
φi=Li-T2i-1-T2i
The pawl head diameter phi that will be measurediWith corresponding carbon nest diameter DiIt is compared, when the pawl head diameter phi measuredi＞ pairs
The carbon nest diameter D answerediWhen, showing that pawl head deforms, pawl head becomes also bigger than carbon nest diameter, then, which can not just be placed in pair
In the carbon block carbon nest answered, steel pawl cannot normal use, need to be sent to maintenance area repair.
Offset deformation of the pawl head in pawl head orientation, that is, the offset that curves inwardly, which will also result in pawl head, can not be placed in carbon block
In carbon nest.As soon as if by arrangement of all pawl heads in pawl head orientation as an integrated model, pawl head orientation
It is the axial direction of the integrated model.So, offset deformation of the pawl head in pawl head orientation can be understood as pawl head at this
Offset deformation in the axial direction of integrated model.
Offset Δ T of i-th of pawl head along pawl head orientationiCalculation formula be：
ΔTi=| T2i-T2i-1|
The corresponding maximum allowable offset threshold value Δ T of i-th of pawl headmaxi, i.e. i-th of pawl head can be placed in corresponding carbon block carbon
The calculation formula of maximum offset corresponding to nest is：
WhenWhen, indicate that i-th of pawl head cannot be placed in corresponding carbon block carbon nest, molding cannot
Success, steel pawl cannot normal use, need to be sent to maintenance area repair.
Second detection module includes two groups of correlation optoelectronic switches, and first group of correlation optoelectronic switch includes 9 He of transmitter
Receiver 10, second group of correlation optoelectronic switch include transmitter 11 and receiver 12.As shown in figure 4, transmitter (9,11) and
Two groups of correlation optoelectronic switches that receiver (10,12) is constituted are arranged in single anode guide rod steel claw both sides, the detection light beam sent out
It is parallel with multiple pawl heads, that is to say, that the light and second in first group of correlation optoelectronic switch between transmitter and receiver
The light ray parallel of group correlation optoelectronic switch, the direction of straight line is identical as pawl head orientation where light, also, the two light
Line extends each along pawl head orientation, a detection zone is formed between the two light, each pawl head is in the detection zone
It is sequentially arranged, then, it is corresponding maximum allowable when there is offset of the pawl head in the direction perpendicular with pawl head orientation to be more than
When offset threshold value, pawl head will exceed detection zone, have the light at least one set of correlation optoelectronic switch that will be blocked,
So, by detecting whether light is blocked the offset for judging whether there is pawl head on the direction perpendicular with pawl head orientation
It measures excessive.Further, due under normal conditions, the corresponding carbon nest diameter of each pawl head is equal, then, set first group of correlation
The distance between light in light and second group of correlation optoelectronic switch in optoelectronic switch is carbon nest diameter, it is also possible that
It says, the distance between this two groups of correlation optoelectronic switches are set as carbon nest diameter.Each pawl head is in first group of correlation optoelectronic switch
In light and second group of correlation optoelectronic switch in light between the space that is formed when setting gradually, between the two light
There are a center line, the center line and the two light ray parallels, and equal at a distance from the two light, the center edge of each pawl head
The center line to be sequentially arranged, then, for each pawl head when not shifting on the direction perpendicular with pawl head orientation, this two
Light in group correlation optoelectronic switch cannot be blocked, when having at least one pawl head perpendicular with pawl head orientation
When offset on direction is more than maximum allowable offset threshold value, pawl head will exceed carbon nest, i.e., will exceed detection zone, just
The light having at least one set of correlation optoelectronic switch is blocked, then, by detecting whether light is blocked and can sentence
Break and whether to have offset of the pawl head on the direction perpendicular with pawl head orientation excessive, offset is excessive just can not be with charcoal
Block is molded.Therefore, the signal of correlation optoelectronic switch output is I/O signals.
In foregoing description, the position relationship between detecting system and single anode guide rod steel claw determines the middle each group of detecting system
At the arrangement of part.
It is illustrated by taking single anode rod of four paws head as an example below.
Guide rod is made of aluminium bar and 4 pawl heads, then, N=4.It is 200mm to define four carbon nest diameters, i.e. Di(i=
1,2,3,4)=200mm, constant spacing value are 380mm, i.e. Li(i=1,2,3,4)=380mm.So：
1) assume to measure the 1st pawl head：T1=100, T2When=95, then pawl head diameter calculation obtains φ1=L1-T1-T2=
185mm.Understand φ1＜ D1, and so on, detect remaining three pawl heads.Work as φ1＜ D1, φ2＜ D2, φ3＜ D3, φ4＜ D4Together
When enter when meeting and 2) detect, otherwise show that deformation is serious, molding cannot succeed, and need to be sent to maintenance area repair.
2) to the 1st pawl head, the offset by pawl head along pawl head orientation is | T2i-T2i-1|, can be calculated | T2-T1|
=100-95=5mm, the maximum offset in an axial direction that can be successfully molded by pawl head areKnown toKnown toAnd so on, detect remaining three pawl heads.
When Simultaneously
When meeting, into 3) detecting, on the contrary to show that deformation is serious, molding cannot succeed, and need to be sent to maintenance area repair.
3) two groups of correlation optoelectronic switches are arranged in single anode rod pawl head both sides, the detection light beam sent out and multiple pawl heads
It is parallel.The distance between two groups of optoelectronic switches are set as the diameter 200mm of pawl head carbon nest.Multiple pawl heads are measured to arrange with pawl head
Whether the offset on the perpendicular direction in direction exceeds detection zone, can not be closed with carbon block if beyond detection zone
Mould.
4) condition meet simultaneously 1), 2), 3) when, then it represents that pawl head meets the requirements, and can mold success, carries out next step work
Sequence.
Therefore, 1, using laser range finder, optoelectronic switch, PLC and upper structure at detecting system have and preferably prolong
Malleability can configure into line sensor according to the quantity of single anode steel claw, have simple in structure, the convenient advantage of system building；2、
According to sensor detection data, equation φ is utilizedi＞ Di、And optoelectronic switch limit, it can determine whether out
Whether single anode steel claw, which can be placed in carbon block carbon nest, is completed molding work, and the computational methods are simple, and execution efficiency is high, by following
Ring judges, can quickly be detected, and can calculate which pawl head in single anode steel claw has deformation, facilitates amendment；
3, the advantages that system has simple in structure, is easily assembled to, and detection result is good, has liberated manpower, has greatly improved accuracy of detection
And detection efficiency.
Specific embodiment is presented above, but the present invention is not limited to described embodiment.The base of the present invention
This thinking is the specific detection mode of said detecting system, and do not lie in detection specific implementation means, that is, detect subsystem
The specific equipment composition of system.Without departing from the principles and spirit of the present invention to embodiment carry out variation, modification,
It replaces and modification is still fallen in protection scope of the present invention.
Claims (7)
1. a kind of list anode rod pawl capitiform becomes on-line detecting system, which is characterized in that including detection subsystem and data processing
Subsystem, the detection subsystem output connect the data process subsystem, and the detection subsystem realizes that pawl head is actually straight
The detection of diameter value and/or the detection of pawl head offset,
The detection subsystem detects the actual diameter value of each pawl head, and the data that detection obtains are exported and give data processing subsystem
System, data process subsystem compare actual diameter value and carbon nest diameter, when there is actual diameter value to be more than carbon nest diameter, judgement pair
The pawl head deformation answered, indicates that pawl head can not be placed in carbon block carbon nest；
The detection subsystem detects offset of each pawl head along pawl head radial direction, and the data detected are exported to data processing
Subsystem, data process subsystem compare offset and corresponding maximum allowable offset threshold value, are corresponded to when the amount of offsetting is more than
Maximum allowable offset threshold value when, judgement have the offset of pawl head excessive, being determined with pawl head can not be placed in carbon block carbon nest.
2. list anode rod pawl capitiform according to claim 1 becomes on-line detecting system, which is characterized in that detection
System realizes the detection of the detection and pawl head offset of pawl head actual diameter value.
3. list anode rod pawl capitiform according to claim 2 becomes on-line detecting system, which is characterized in that pawl head is along pawl head
Radial offset includes deformation quantity and pawl head of the pawl head in pawl head orientation in the side perpendicular with pawl head orientation
Upward deformation quantity, the detection subsystem include first detection module and the second detection module, and the first detection module is real
The detection of the detection and deformation quantity of the pawl head in pawl head orientation of the existing pawl head actual diameter value, second inspection
Survey the detection that module realizes deformation quantity of the pawl head on the direction perpendicular with pawl head orientation.
4. list anode rod pawl capitiform according to claim 3 becomes on-line detecting system, which is characterized in that setting pawl head
Number is N, and the first detection module includes N number of distance measuring unit, and each distance measuring unit is corresponded with each pawl head, and distance measuring unit includes
2 distance measuring sensors, i-th of pawl head 2i-1 distance measuring sensor of correspondence and the 2i distance measuring sensor, the 2 of each distance measuring unit
A distance measuring sensor is used to be arranged in the both sides of corresponding pawl head, and 2 distance measuring sensors of each distance measuring unit are in pawl head arrangement side
Arrangement upwards,
The actual diameter value φ of i-th of pawl headiCalculation formula be：
φi=Li-T2i-1-T2i
Wherein, LiFor the distance values between 2 distance measuring sensors of i-th of distance measuring unit, T2iFor the 2i distance measuring sensor with
The distance of i-th of pawl head, T2i-1It is the 2i-1 distance measuring sensor at a distance from i-th of pawl head；
Offset Δ T of i-th of pawl head along pawl head orientationiCalculation formula be：
ΔTi=| T2i-T2i-1|
The corresponding maximum allowable offset threshold value Δ T of i-th of pawl headmaxiCalculation formula be：
Wherein, DiFor the corresponding carbon nest diameter of i-th of pawl head.
5. list anode rod pawl capitiform according to claim 3 or 4 becomes on-line detecting system, which is characterized in that described the
Two detection modules include two groups of correlation optoelectronic switches, and the light in first group of correlation optoelectronic switch is with described second group to penetrating
Light ray parallel in formula optoelectronic switch, the light in first group of correlation optoelectronic switch extends along pawl head orientation, described
An inspection is formed between the light in light and second group of correlation optoelectronic switch in first group of correlation optoelectronic switch
Region is surveyed, each pawl head is sequentially arranged in the detection zone, when having pawl head in the direction perpendicular with pawl head orientation
When offset is more than corresponding maximum allowable offset threshold value, pawl head will exceed the detection zone, have at least one set to penetrating
Light in formula optoelectronic switch will be blocked, by detect light whether be blocked judge whether there is pawl head with pawl head arrange
Offset on the perpendicular direction in direction is excessive.
6. list anode rod pawl capitiform according to claim 5 becomes on-line detecting system, which is characterized in that described first group
Light in correlation optoelectronic switch and the distance between the light in second group of correlation optoelectronic switch are carbon nest diameter.
7. list anode rod pawl capitiform according to claim 4 becomes on-line detecting system, which is characterized in that distance measuring sensor
For diffusing reflection laser range finder.
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2018
- 2018-03-19 CN CN201810226714.2A patent/CN108444405B/en not_active Expired - Fee Related
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| CN101501248A (en) * | 2006-06-09 | 2009-08-05 | E.C.L.公司 | Method of measuring, on the fly, the height of an electrolysis anode |
| US20100172544A1 (en) * | 2006-06-09 | 2010-07-08 | E.C.L. | Method of measuring, on the fly, the height of an electrolysis anode |
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Application publication date: 20180824 Assignee: Henan SenShan Electronic Technology Co.,Ltd. Assignor: HENAN University OF SCIENCE AND TECHNOLOGY Contract record no.: X2021980007919 Denomination of invention: An on-line deformation detection system for claw head of single anode guide rod Granted publication date: 20200814 License type: Common License Record date: 20210818 |
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