CN207440215U - A kind of furnace of calcium carbide conducting element fault pre-alarming device - Google Patents
A kind of furnace of calcium carbide conducting element fault pre-alarming device Download PDFInfo
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- CN207440215U CN207440215U CN201720956481.2U CN201720956481U CN207440215U CN 207440215 U CN207440215 U CN 207440215U CN 201720956481 U CN201720956481 U CN 201720956481U CN 207440215 U CN207440215 U CN 207440215U
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- conductive clip
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Abstract
The utility model discloses a kind of furnace of calcium carbide conducting element fault pre-alarming devices,Rogowski coil is newly increased between transformer outlet side and conductive clip front end,Seven groups of conductive clip measurement electric currents are exported to transformer using Rogowski coil,Surveyed size of current is recorded,And after being handled by DSP digital signal processor,It is uploaded to via RS485 communication transfer signal adapters in centralized control system or portable controller host computer,By upper computer software to conductive clip corresponding current signal data acquisition,Record,Current deviation is calculated by the data of record to compare,Prompt n-th group conductive clip abnormal,The average value of each period can be compared according to actual conditions,This prior-warning device is more precisely reliable,And it is that can carry out real-time look-ahead so as to judge one of device of conductive clip fault pre-alarming,Industrial furnace of calcium carbide production process is can be widely applied to detect in prior-warning device different electrical equipments.
Description
Technical field
It is especially a kind of to be based on Rogowski coil the utility model is related to a kind of device for differentiating furnace of calcium carbide conducting element exception
Furnace of calcium carbide conducting element fault pre-alarming device.
Background technology
In furnace of calcium carbide production technology, three transformers of each matching with furnace of calcium carbide and three electrode buckets, each transformation
Seven groups of conductive clips upper with electrode bucket are connected seven groups of low-voltage terminals respectively on device, and conductive clip is transformer and three in furnace of calcium carbide production
The element of unicom between phase electrode, in production mainly by conductive clip and electrode bucket unicom work done, conductive clip and electrode bucket it
Between by electric current change with the conduction that conductive clip and electrode bucket contact, conduction is good, then the conductive clip by electric current
Average value when in use close to each group conductive clip normal use, comparision of production is stablized, beneficial to furnace of calcium carbide production operation, at present
It is primarily present following problem：
1st, in the monitoring of furnace of calcium carbide conductive clip, because when furnace of calcium carbide conductive clip works the characteristics of charged and high current, Wu Faguan
Its inner contact and the situation of device are observed, not to the preferable device of single conductive clip detection, and general detection device is difficult
Meet safety condition, and because furnace of calcium carbide electrode couples work done, electrode temperature is high, and has open fire, there is shield screen protection outside conductive clip
Shield is blocked, and furnace of calcium carbide electrodes conduct folder is caused intuitively can not effectively to detect quality always, conductive clip can only be arrived and damage failure completely
Shi Caineng is found；
2nd, when conductive clip because wear, slide down be disengaged from the groove, deformation of generating heat is when failures when, conductive clip and electrode bucket conduction are deteriorated,
Deformation of generating heat between conductive clip and electrode bucket is caused, conductive clip is finally resulted in and is disengaged from the groove or rolls up iron sheet with electrode bucket, seriously affect life
It produces and generates security risk；
The content of the invention
For the limitation of above-mentioned existing furnace of calcium carbide conductive clip failure detector, the purpose of this utility model is that carrying
For a kind of one based on Rogowski coil for being operated beneficial to production technology, can detecting in real time, monitoring failure and warning in advance in time
Kind furnace of calcium carbide conducting element fault pre-alarming device.
A kind of furnace of calcium carbide conducting element fault pre-alarming device.Rogowski coil is a kind of uses conducting wire uniformly around in section
On uniform non-magnetic material frame, the conducting wire for being connected with high current is allowed to pass perpendicularly through the center of coil, by being tested current－carrying conductor
The variation of generated magnetic flux induces the measuring device for the current signal that can react tested size of current.Therefore utilize its work
Principle exports transformer using Rogowski coil in seven groups of conductive clip measurement electric currents, surveyed size of current is recorded, and is passed through
After DSP digital signal processor processing, centralized control system or portable is uploaded to via RS485 communication transfer signal adapters
In controller host computer, pass through acquisition of the upper computer software to conductive clip current signal, record.Last month gathers whole when per daily
Point current data average computation goes out daily current average, and daily current average record accumulative the whole month is acquired monthly daily electricity
Levelling compares with reference to reduced value, by this with reference to reduced value and of that month same day current average, when deviation is less than 10%, no
Prompt warning information；When deviation is more than 10%, then prompting to alarm " note that n-th group conductive clip exception, asks parking checking！" should
Prior-warning device includes：Rogowski coil current collecting device, data acquisition processing device；
The Rogowski coil current collecting device includes transformer, transformer low voltage leading-out terminal, and conduction is flexible coupling totally 7
Only, Rogowski coil totally 7, electrode bucket；Conductive clip,
The data acquisition processing device includes Rogowski coil, DSP digital signal processor communication wire cable, DSP numbers
Word signal processor, differential voltage analog signal device in DSP, high-precision integrator in DSP, electric quantity collector, RS485 communications pass
Defeated signal adapter, centralized control system terminal block, portable controller, centralized control system；
In above-mentioned Rogowski coil current collecting device Rogowski coil be mounted on transformer, transformer low voltage leading-out terminal and
On conduction between electrode bucket, conductive clip is flexible coupling, the effect of the corresponding conductive clip electric current of acquisition is primarily served；
Above-mentioned data acquisition processing device includes newly increasing Rogowski coil between transformer outlet side and conductive clip front end,
Seven groups of conductive clip measurement electric current I are exported to transformer using Rogowski coilAt the beginning of n, surveyed size of current is recorded, and is passed through
After DSP digital signal processor processing, centralized control system or portable is uploaded to via RS485 communication transfer signal adapters
In controller host computer, by acquisition of the upper computer software to conductive clip current signal, record, by pre-set programs to conductive clip
Failure exception situation carries out early warning.
Rogowski coil is increased in data acquisition processing device as described above newly in conductive clip front end, is measured using Rogowski coil
Seven groups of conductive clip electric current I of furnace of calcium carbide single-phase electrode transformer outlet sideAt the beginning of n, it is respectively seven groups of initial current IAt the beginning of 1、IAt the beginning of 2、IAt the beginning of 3、IAt the beginning of 4、
IAt the beginning of 5、IAt the beginning of 6、IAt the beginning of 7Data pass through differential voltage analog signal in DSP digital signal processor and high-precision integrator and DSP core
High speed vector computing obtains seven groups of electric current I of needsn, I1、I2、I3、I4、I5、I6、I7Data, electric quantity collector are led seven groups
Electricity folder current signal acquisition is got up, in the centralized control system or portable controller uploaded by RS485 communication signals interface
In the machine of position, by upper computer software to conductive clip corresponding current signal data acquisition, record；
A kind of furnace of calcium carbide conducting element fault pre-alarming device as described above, judges the conductive clip of abnormal current, ought
Month same day current average is not with when last month, average reference reduced value deviation was compared, when deviation is not more than 10%, prompting pre-
Alert information；When deviation is more than 10%, then prompting to alarm " note that N groups conductive clip exception, asks parking checking！”
A kind of furnace of calcium carbide conducting element fault pre-alarming device as described above, judges whether the conductive clip of abnormal current is different
Chang Shi, the reduced value of deviation can have according to furnace of calcium carbide, transformer, the size of conductive clip, operating condition, actual production performance
Institute is different.
Compared with prior art, because the notable substantive distinguishing features of the utility model are by Rogowski coil measuring transformer
The electric current initial signal of seven groups of conductive clips of outlet side is simultaneously handled by DSP digital signal processor, is measured by Rogowski coil every
The data that acquisition is calculated and monthly calculated daily when day is per are comparatively accurate, it is contemplated that electric current is because of gear, time, operation
The average current data in cycle etc. data, and being carried out according to actual conditions to the average value of each period as a comparison
Comparison, it is also more precisely reliable and be in real time in advance although this measurement failure of the current prior-warning device is not unique apparatus
One of prediction and the device that judges conductive clip fault pre-alarming, it solves that conductive clip damages completely could failure judgement or abnormal
Problem makes production run safe and reliable, therefore the utility model has prominent progress, can be widely applied to different industrial calcium carbides
To in the detection and control of electrical equipment in the production process of stove.
Description of the drawings
The utility model is described in further detail with reference to the accompanying drawings and examples.
Fig. 1 be the utility model embodiment 1 a kind of furnace of calcium carbide conducting element fault pre-alarming device in transformer, Roche line
Circle and conductive clip connection diagram；
Fig. 2 be the utility model embodiment 1 a kind of furnace of calcium carbide conducting element fault pre-alarming device in Rogowski coil and its
His device connection diagram；
In Fig. 1,1 is transformer；2 be transformer low voltage leading-out terminal totally 7；3 are flexible coupling 7 totally for conduction；4 be Roche
Coil totally 7；5 be electrode bucket；6 be conductive clip totally 7；
In Fig. 2,7 be Rogowski coil and DSP digital signal processor communication wire cable；8 be DSP Digital Signal Processing
Device；9 be differential voltage analog signal device in DSP；10 be high-precision integrator in DSP；11 be electric quantity collector；12 be RS485
Communication transfer signal adapter；13 be centralized control system terminal block；14 be portable controller；15 be centralized control system；
Specific embodiment
Referring to the drawings 1-2, the utility model embodiment 1 is a kind of furnace of calcium carbide conducting element fault pre-alarming device.The early warning
Device includes：Rogowski coil current collecting device, data acquisition processing device；
The Rogowski coil current collecting device includes transformer 1, transformer low voltage leading-out terminal 2, and conduction is flexible coupling totally 7
Only 3, Rogowski coil totally 74, electrode bucket 5；Conductive clip 6,
The data acquisition processing device includes Rogowski coil 4, DSP digital signal processor communication wire cable 7, DSP
Digital signal processor 8, differential voltage analog signal device 9 in DSP, high-precision integrator 10 in DSP, electric quantity collector 11,
RS485 communication transfers signal adapter 12, centralized control system terminal block 13, portable controller 14, centralized control system 15；
Rogowski coil 4 is mounted on transformer 1, transformer low voltage leading-out terminal 2 in above-mentioned Rogowski coil current collecting device
And the conduction between electrode bucket 5, conductive clip 6 is flexible coupling on 3, primarily serves the effect of the corresponding conductive clip electric current of acquisition；
Above-mentioned data acquisition processing device include newly increasing Rogowski coil 41 outlet side of transformer and 6 front end of conductive clip it
Between, seven groups of conductive clips 6 are exported to transformer 1 using Rogowski coil 4 and measure electric current IAt the beginning of n, surveyed size of current is recorded, and
After being handled by DSP digital signal processor 8, centralized control system is uploaded to via RS485 communication transfers signal adapter 12
15 or 14 host computer of portable controller in, by upper computer software to the acquisition of 6 current signal of conductive clip, record, by pre-
If program carries out early warning to conductive clip failure exception situation.Acquisition integral point current data average computation goes out often when last month is per daily
Daily current average is recorded accumulative the whole month and acquires monthly daily electric current average reference reduced value, by this by day current average
It is compared with reference to reduced value and of that month same day current average, when deviation is less than 10%, does not prompt warning information；When deviation is big
In 10%, then alarm is prompted " to note that n-th group conductive clip exception, ask parking checking！”
A kind of furnace of calcium carbide conducting element fault pre-alarming device as described above increases Rogowski coil 4 newly in 1 outlet side of transformer
Between 6 front end of conductive clip, furnace of calcium carbide single-phase electrode transformer 1 outlet side, seven groups of 6 electric currents of conductive clip are measured using Rogowski coil 4
IAt the beginning of n, it is respectively seven groups of initial current IAt the beginning of 1、IAt the beginning of 2、IAt the beginning of 3、IAt the beginning of 4、IAt the beginning of 5、IAt the beginning of 6、I At the beginning of 7Data, by DSP digital signal processor 8
Differential voltage analog signal 9 and high-precision integrator 10 and DSP core high speed vector computing obtain seven groups of electric current I of needsn,
I1、I2、I3、I4、I5、I6、I7Data, electric quantity collector 11 get up seven groups of conductive clip current signal acquisition, are led to by RS485
News transmission signal converter 12 is uploaded in 14 host computer of centralized control system 15 or portable controller, passes through upper computer software
To conductive clip corresponding current signal data acquisition, record；
A kind of furnace of calcium carbide conducting element fault pre-alarming device as described above, judges the conductive clip of abnormal current, ought
Month same day current average is not with when last month, average reference reduced value deviation was compared, when deviation is not more than 10%, prompting pre-
Alert information；When deviation is more than 10%, then prompting to alarm " note that N groups conductive clip exception, asks parking checking！”
A kind of furnace of calcium carbide conducting element fault pre-alarming device as described above, judges whether the conductive clip of abnormal current is different
Chang Shi, the reduced value of deviation can have according to furnace of calcium carbide, transformer, the size of conductive clip, operating condition, actual production performance
Institute is different.
Compared with prior art, the mainly newly-increased Rogowski coil 4 of the utility model is in 1 outlet side of transformer and conductive clip 6
Between front end, by seven groups of conductive clips of Rogowski coil measuring transformer outlet side electric current initial signal and pass through DSP number letter
Seven groups of conductive clip current signal using electric quantity collector is gathered, only prediction meanss related hardware is made by the processing of number processor
It is partially improved, it is other identical with prior art.
The above is only the preferable specific embodiment of the utility model, but the scope of protection of the utility model is not
This is confined to, in the technical scope that any one skilled in the art discloses in the utility model, according to this practicality
New technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (3)
1. a kind of furnace of calcium carbide conducting element fault pre-alarming device, it is characterised in that prior-warning device includes：Rogowski coil current acquisition
Device, data acquisition processing device；
The Rogowski coil current collecting device includes transformer, transformer low voltage leading-out terminal, and conduction is flexible coupling 7 totally, sieve
Family name's coil totally 7, electrode bucket, conductive clip,
The data acquisition processing device includes Rogowski coil, DSP digital signal processor communication wire cable, DSP number letters
Number processor, differential voltage analog signal device in DSP, high-precision integrator in DSP, electric quantity collector, RS485 communication transfers letter
Number converter, centralized control system terminal block, portable controller, centralized control system；
Rogowski coil is mounted on transformer, transformer low voltage leading-out terminal and electrode in above-mentioned Rogowski coil current collecting device
On conduction between bucket, conductive clip is flexible coupling, the effect of the corresponding conductive clip electric current of acquisition is primarily served；
Above-mentioned data acquisition processing device includes newly increasing Rogowski coil (4) in transformer (1) outlet side and conductive clip (6) front end
Between, seven groups of conductive clip (6) measurement electric current I are exported to transformer (1) using Rogowski coil (4)At the beginning of n, to surveyed size of current into
Row record, and after passing through DSP digital signal processor (8) processing, obtain seven groups of electric current I of needsn, communicate and pass via RS485
Defeated signal adapter (12) is uploaded in centralized control system (15) or portable controller (14) host computer, soft by host computer
Part carries out early warning by pre-set programs to the acquisition of conductive clip (6) current signal, record to conductive clip failure exception situation.
2. a kind of furnace of calcium carbide conducting element fault pre-alarming device as described in claim 1, it is characterised in that it is described judge it is different
The conductive clip of normal electric current by of that month same day current average and when last month, average reference reduced value deviation was compared, works as deviation
No more than 10%, warning information is not prompted；When deviation is more than 10%, then prompting to alarm " note that N groups conductive clip exception, asks
Parking checking！”.
A kind of 3. furnace of calcium carbide conducting element fault pre-alarming device as described in claim 1, it is characterised in that the fault pre-alarming
Device when whether the conductive clamp device of motor for judging abnormal current normal, the reduced value of deviation can according to furnace of calcium carbide, transformer,
Size, operating condition, the actual production performance of conductive clip are different.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720956481.2U CN207440215U (en) | 2017-08-02 | 2017-08-02 | A kind of furnace of calcium carbide conducting element fault pre-alarming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720956481.2U CN207440215U (en) | 2017-08-02 | 2017-08-02 | A kind of furnace of calcium carbide conducting element fault pre-alarming device |
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| Publication Number | Publication Date |
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| CN207440215U true CN207440215U (en) | 2018-06-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720956481.2U Active CN207440215U (en) | 2017-08-02 | 2017-08-02 | A kind of furnace of calcium carbide conducting element fault pre-alarming device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107656128A (en) * | 2017-09-29 | 2018-02-02 | 新疆天业（集团）有限公司 | A kind of furnace of calcium carbide conducting element fault early warning method |
| CN112858820A (en) * | 2021-01-19 | 2021-05-28 | 苏州工业园区苏容电气有限公司 | Three-phase alternating-current submerged arc furnace low-voltage conductor online service life monitoring system |
-
2017
- 2017-08-02 CN CN201720956481.2U patent/CN207440215U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107656128A (en) * | 2017-09-29 | 2018-02-02 | 新疆天业（集团）有限公司 | A kind of furnace of calcium carbide conducting element fault early warning method |
| CN112858820A (en) * | 2021-01-19 | 2021-05-28 | 苏州工业园区苏容电气有限公司 | Three-phase alternating-current submerged arc furnace low-voltage conductor online service life monitoring system |
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