CN204434744U - Electrolytic bath electrode plate temperature monitoring system - Google Patents
Electrolytic bath electrode plate temperature monitoring system Download PDFInfo
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- CN204434744U CN204434744U CN201420858895.8U CN201420858895U CN204434744U CN 204434744 U CN204434744 U CN 204434744U CN 201420858895 U CN201420858895 U CN 201420858895U CN 204434744 U CN204434744 U CN 204434744U
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Abstract
The utility model relates to infrared measurement of temperature field, in particular to a kind of electrolytic bath electrode plate temperature monitoring system, comprise infrared thermometer, driving mechanism and processing module, described infrared thermometer is arranged in the top of electrolyzer, driving mechanism comprises motor, The Cloud Terrace, described motor, The Cloud Terrace drives the scanning mirror of infrared thermometer respectively, infrared thermometer rotates to realize scanning each pole plate of electrolyzer, infrared thermometer exports processing module to after converting the infrared signal collected to electrical signal, the angular signal of driving mechanism output motor and The Cloud Terrace is to processing module, Electric signal processing is become temperature information and demarcates the pole plate at temperature anomaly signal place by described processing module.Detected the short circuit phenomenon in electrolytic process by infrared thermal imaging technique, whole process is all automatic, and the deficiency effectively avoiding manual detection to bring, greatly improves detection efficiency.
Description
Technical field
The utility model relates to infrared measurement of temperature field, particularly a kind of electrolytic bath electrode plate temperature monitoring system.
Background technology
Blister copper is made in advance slab as anode, fine copper or stainless steel are laminated and are made negative electrode, using the mixed liquid of sulfuric acid and copper sulfate as electrolytic solution.After energising, copper becomes cupric ion to movable cathode from anode dissolution, obtains electronics and separate out fine copper at negative electrode after arriving negative electrode.In blister copper, impurity such as the iron sprinkled than work in copper can be dissolved as ion with copper with zinc etc.Because these ions are not easily separated out compared with cupric ion, as long as so suitably regulate potential difference that these ions can be avoided to separate out on anode during electrolysis, than the inactive impurity of copper as gold and silver etc. are deposited on the bottom of electrolyzer, the copper coin produced like this, quality is high, is called " electrolytic copper ".
In copper electrolyzing refining, current efficiency and percentage of product are the important indicators of examination electrolysis production efficiency and ability, and intereelectrode short-circuit all can have a negative impact to above-mentioned two indices.When interpolar is short-circuited, on the one hand, part electric energy consumes due to heating, and current efficiency also can reduce naturally; On the other hand, on the negative electrode that intereelectrode short-circuit occurs, plate face intereelectrode short-circuit part has the thick shape crystallization of big area and knot grain usually, makes this part negative electrode to count Cu-CATH-1, therefore have impact on percentage of product, therefore Timeliness coverage intereelectrode short-circuit problem is very important.
Intereelectrode short-circuit Producing reason has a variety of, as pole plate not parallel, the pole piece generation natural torsion of arrangement or rake angle, the anode sludge are attached to cathode surface, additive formula imbalance etc.No matter be which kind of reason causes, as long as there is intereelectrode short-circuit, this pole plate just there will be distribution of current excessive, thus cause that local magnetic field is excessively strong, temperature rising phenomenon.Current existing detection mode is by manually using short-circuit detecting megger, detects successively each pole plate.This detection mode has following deficiency: one, and time and effort consuming, efficiency are low, and the larger shortcoming of scale is more obvious; Its two, detect delayed, adopt when manually detecting successively, complete one and detect circulation and need certain hour, the promptness detected can not be ensured; Three, the accuracy of manual detection, reliability can not ensure.
Utility model content
The purpose of this utility model is to provide a kind of electrolytic bath electrode plate temperature monitoring system, can the temperature of Detection electrode in real time, and Timeliness coverage intereelectrode short-circuit phenomenon also processes, and ensures current efficiency and the percentage of product of electrolytic copper.
For realizing above object, the technical solution adopted in the utility model is: a kind of electrolytic bath electrode plate temperature monitoring system, comprise infrared thermometer, driving mechanism and processing module, described infrared thermometer is arranged in the top of electrolyzer, driving mechanism comprises motor, The Cloud Terrace, described motor, The Cloud Terrace drives the scanning mirror of infrared thermometer respectively, infrared thermometer rotates to realize scanning each pole plate of electrolyzer, infrared thermometer exports processing module to after converting the infrared signal collected to electrical signal, the angular signal of driving mechanism output motor and The Cloud Terrace is to processing module, Electric signal processing is become temperature information and demarcates the pole plate at temperature anomaly signal place according to angular signal by described processing module.
Compared with prior art, there is following technique effect in the utility model: is detected the short circuit phenomenon in electrolytic process by infrared thermal imaging technique, infrared thermometer detects the temperature of each limit of electrolyzer, then temperature information is transferred to processing module, after processing module carries out analyzing and processing, the polar plate position of temperature anomaly is reflected and alarm, as long as staff carries out checking with reference to its position of pointing out.Whole process is all automatic, and the deficiency effectively avoiding manual detection to bring, greatly improves detection efficiency.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation;
Fig. 2 is infrared thermometer structural representation;
Fig. 3 is the position relationship schematic diagram of electrolyzer, pole plate, infrared thermometer and scanning mirror;
Fig. 4 is infrared thermometer instrumentation plan;
Fig. 5 is scanning mirror instrumentation plan;
Fig. 6 is infrared thermometer functional block diagram;
Fig. 7 is processing module functional block diagram.
Embodiment
Below in conjunction with Fig. 1 to Fig. 7, the utility model is described in further detail.
Consult Fig. 1, Fig. 2, a kind of electrolytic bath electrode plate temperature monitoring system, comprise infrared thermometer 10, driving mechanism 20 and processing module 30, described infrared thermometer 10 is arranged in the top of electrolyzer 40, driving mechanism 20 comprises motor 21, The Cloud Terrace 22, described motor 21, The Cloud Terrace 22 drives the scanning mirror 12 of infrared thermometer 10 respectively, infrared thermometer 10 rotates to realize scanning each pole plate of electrolyzer 40, infrared thermometer 10 exports processing module 30 to after converting the infrared signal collected to electrical signal, the angular signal of driving mechanism 20 output motor 21 and The Cloud Terrace 22 is to processing module 30, Electric signal processing is become temperature information and demarcates the pole plate at temperature anomaly signal place according to angular signal by described processing module 30.
When electrolyzer 40 is enough large, the pole plate of distribution on it is a lot, and manual measurement exists distinct disadvantage.Using infrared thermometer 10 to detect in the utility model, in order to ensure that infrared thermometer 10 can complete the scanning to pole plate each on electrolyzer 40 at short notice, adopting driving mechanism 20 to drive infrared thermometer 10 to rotate.Wherein, motor 21 drives the scanning mirror 12 of infrared thermometer 10 to scan along a direction of electrolyzer 40, and The Cloud Terrace 22 drives infrared thermometer 10 entirety to scan along another direction of electrolyzer 40.Realize infrared thermometer 10 pairs of each pole plates of electrolyzer 40 by the rotation of motor 21, The Cloud Terrace 22 to scan, speed quickly.Here it should be noted that, conventional mechanical slip formula scans the rapid scanning that cannot realize here, and the utility model then make use of motor 21 cleverly and drives that scanning mirror 12 rotates, The Cloud Terrace 22 drives infrared thermometer 10 to rotate the high-speed sweep realized each pole plate of electrolyzer 40.
Consult Fig. 3, Fig. 4, Fig. 5, further, described motor 21 is arranged on infrared thermometer 10 enclosure interior, motor 21 drives scanning mirror 12 to rotate, and the rotating shaft 121 of scanning mirror 12 is arranged in horizontal plane and is parallel to the plate face of electrolyzer 40 pole plate; The Cloud Terrace 22 drive infrared thermometer 10 to rotate and the rotating shaft 101 of infrared thermometer 10 perpendicular to the plate face of pole plate in electrolyzer 40.In order to further illustrate infrared thermometer 10, scanning mirror 12 relative to the rotation relation of electrolyzer 40, as shown in Figure 3, in figure, X, Y, Z axis is perpendicular to one another, electrolyzer 40 comprises multiple little electrolyzer, arranges multiple negative plate and positive plate in each electrolyzer, and positive plate and negative plate interval are arranged, part pole plate in a little electrolyzer is only shown in figure, the face of pole plate is perpendicular to X-axis, and infrared thermometer 10 is arranged in the top of electrolyzer 40, and its rotating shaft 101 is parallel to X-axis; The rotating shaft 121 of scanning mirror 12 is parallel to Y-axis.
In addition, when scanning mirror 12 rotates a whole circle, the angle that The Cloud Terrace 22 drives infrared thermometer 10 to rotate should make point for measuring temperature move to next adjacent sweep trace by a wherein sweep trace, and what the dotted line of the rule in Fig. 4 in electrolyzer 40 was simulated is exactly sweep trace.It is noted herein that, because scanning mirror 12 is when its rotating shaft 121 is rotated, The Cloud Terrace 22 also can drive whole infrared thermometer 10 to rotate, the skew brought is rotated in order to make up whole infrared thermometer 10, preferred scheme is, the rotating shaft 121 of scanning mirror 12 is not the plate face being parallel to pole plate in electrolyzer 40 completely, but has a small angle, as shown in Figure 4.
Consult Fig. 2, Fig. 5, further, described servo circuit 23 outputs signal to motor 21 and controls motor uniform rotation; Described infrared thermometer 10 is provided with thermometric window 11, in electrolyzer 40, the ir radiation information of pole plate enters infrared radiation sensor 15 successively after thermometric window 11, scanning mirror 12, speculum 13, lens 14, exports signal processing unit 16 to after described infrared radiation sensor 15 converts optical signal to electrical signal.The size of thermometric window 11 should make the incident infrared of pole plate to be measured on the width of electrolyzer 40 be reflected by scanning mirror 12 just, the incident infrared outside pole plate stop by thermometric window 11.
Motor 21 uses brshless DC motor, and adopts servo circuit 23 to control, and ensures that sweep velocity is stablized, with internal clocking as timing acquiring, makes positional information accuracy high.In addition, adopt multireflection technique, avoid stray light on the impact of measuring, adjacent cells ir radiation can also be avoided the impact when pre-test, ensure measuring accuracy.The core component of infrared thermometer 10 adopts high-end mercury-cadmium tellurid detector, infrared wavelength adopt 3 ~ 5 lim design, the time of response of its temperature below 5 microseconds, to meet the requirement of high speed thermometric.
Consult Fig. 6, described signal processing unit 16 comprises position decoder 161, a CPU162, and the rotary state of motor 21 exports to a CPU162 after position coder 161 compiles; The electrical signal that infrared radiation sensor 15 exports exports parallel/serial change-over circuit 165 to successively after amplifying unit 163, ADC unit 164, described amplifying unit 163 pairs of electrical signal amplify, ADC unit 164 carries out digital-to-analog conversion according to a CPU162 output information to the electrical signal after amplification, export shaping circuit 166 to after described parallel/serial change-over circuit 165 transfers parallel signal to synchronous serial signal, shaping circuit 166 exports processing module 30 to after carrying out shaping according to a CPU162 output information to synchronous serial signal.
Consider that the data exchange amount between infrared thermometer 10 and processing module 30 is large, in the week age that infrared thermometer 10 rotates, data must be sent in time, take rotating speed as 20Hz, the thermometric window of an angle of 90 degrees, its working lipe is 1s/20/4=12.5ms, namely must at once data be sent after the digital-to-analog conversion, otherwise just need preserve, with CPU to RAM stored in and reading, its software in time expense is very large, therefore preferably adopts serial communication here.
In large industry spot, interference is very large, and system must be suitable for on-the-spot severe industrial environment, adopts synchronous communication mode to have better freedom from jamming than simulating signal, has stronger error detecing capability also than asynchronous communication; In addition, synchronous communication has higher communication speed, can meet the requirement of real-time, but also there is shortcoming in synchronous communication, namely require that the frequency error of communication two party is more much smaller than asynchronous communication, for avoiding above-mentioned shortcoming, in implementation process, adopt two paths of signals transmission, a road data signal, synchronizing clock signals is transmitted on one tunnel, makes communication two party maintain strict synchronized relation.
Further, for ensureing the stability that infrared radiation sensor 15 works, described infrared thermometer 10 also comprises temperature control unit 151 and cooling unit 152, described temperature control unit 151 monitors the temperature information of infrared radiation sensor 15, and outputing control signals to cooling unit 152 according to this temperature information, cooling unit 152 pairs of infrared radiation sensors 15 cool.
Consult Fig. 7, described processing module 30 comprises multifunction electric sub-receiver 31 and computer 32, described multifunction electric sub-receiver 31 comprises input shaper circuit 311, serial/parallel conversion circuit 312, exports the 2nd CPU313 to after the information that input shaper circuit 311, serial/parallel conversion circuit 312 export infrared thermometer 10 successively processes; Multifunction electric sub-receiver 31 also comprises scanning window identify circuit 314, synchronization bit identify circuit 315, one CPU162 exports motor 21 rotary state to scanning window identify circuit 314 through shaping circuit 166, input shaper circuit 311 successively, scanning window identify circuit 314 outputs signal to the 2nd CPU313, synchronization bit identify circuit 315, and synchronization bit identify circuit 315 controls the work of serial/parallel conversion circuit 312; 2nd CPU carries out data exchange according to the information of scanning window identify circuit 314, synchronization bit identify circuit 315 output and serial/parallel conversion circuit 312 or carries out data exchange by data temporary storage to random access memory 316 or by Programmable Peripheral Interface chip 317 and computer 32.
Here why multifunction electric sub-receiver 31 is set, mainly because: 1, genlocing is carried out to high speed non-contact infrared thermometer 10 and sets up synchronous transmission, to ensure the real-time of data, 2, transfer synchronous serial signal to parallel signal; 3, logarithm is reportedly input into row verification with the reliability ensureing data transmission; 4, the temperature signal collected is cached in the storer of SCM system; 5, the data after buffer memory are transferred to computer in the mode that batch is parallel.If infrared thermometer 10 and computer 32 Direct Communication, probably cause computer 32 " blocking " or deadlock phenomenon because data volume is too large, after installing multifunction electric sub-receiver 31 additional, can greatly reduce the time of computer 32 reading external data, multifunction electric sub-receiver 31 is directly installed in computer 32.
By scanning window identify circuit 314,2nd CPU313 identifies that scanning mirror 12 enters into scanning window 11, carry out the initialization operation of communication, serial/parallel conversion circuit is activated by the synchronous recognition signal that synchronous identification circuit 315 produces, when after the serial/parallel conversion completing a word, send out to the 2nd CPU and interrupt application signal, this byte is taken immediately away and stored in random access memory 316, until the data of a sweep trace all accept complete after application is interrupted in 2nd CPU313 response.When scanning mirror 12 is positioned at Non-scanning mode Window state, the 2nd CPU313 reads one article of scan-line data information of storage in random access memory 316 and carries out communication by Programmable Peripheral Interface chip 317 and computer 32.Here, make use of in scanning mirror 12 rotation process dexterously, be positioned at scanning window 11, high speed output data in each time period, complete the data transmission between infrared thermometer 10 and multifunction electric sub-receiver 31; Another time period, infrared thermometer 10 is countless according to output, and multifunction electric sub-receiver 31 exports data to computer 32, achieves the transmission to mass data in the short period of time.
Described computer 32 receives temperature information that multifunction electric sub-receiver 31 sends over and shows, reports to the police, and computer 32 and The Cloud Terrace 22 two-way communication, control The Cloud Terrace 22 rotating speed and also receive The Cloud Terrace 22 location status information.Functional realiey on computer 32 is generally realized by software, repeats no more here.By software interface namely can be real-time observation electrolyzer 40 on the temperature information of each pole plate, and what adopt here is high-speed sweep, it is ageing very high, once there is intereelectrode short-circuit phenomenon, can at once be presented on interface, simultaneous computer 32 sounds the alarm, and short circuit appears in prompting that position of field personnel, eliminates short circuit phenomenon in the past by staff.
Claims (7)
1. an electrolytic bath electrode plate temperature monitoring system, it is characterized in that: comprise infrared thermometer (10), driving mechanism (20) and processing module (30), described infrared thermometer (10) is arranged in the top of electrolyzer (40), driving mechanism (20) comprises motor (21), The Cloud Terrace (22), described motor (21), The Cloud Terrace (22) drives the scanning mirror (12) of infrared thermometer (10) respectively, infrared thermometer (10) rotates to realize scanning electrolyzer (40) each pole plate, infrared thermometer (10) exports processing module (30) to after converting the infrared signal collected to electrical signal, the angular signal of driving mechanism (20) output motor (21) and The Cloud Terrace (22) is to processing module (30), Electric signal processing is become temperature information and demarcates the pole plate at temperature anomaly signal place according to angular signal by described processing module (30).
2. electrolytic bath electrode plate temperature monitoring system as claimed in claim 1, it is characterized in that: described motor (21) is arranged on infrared thermometer (10) enclosure interior, motor (21) drives scanning mirror (12) to rotate, the rotating shaft (121) of scanning mirror (12) is arranged in horizontal plane and is parallel to the plate face of electrolyzer (40) pole plate, The Cloud Terrace (22) drive infrared thermometer (10) to rotate and the rotating shaft (101) of infrared thermometer (10) perpendicular to the plate face of pole plate in electrolyzer (40).
3. electrolytic bath electrode plate temperature monitoring system as claimed in claim 1 or 2, is characterized in that: servo circuit (23) outputs signal to motor (21) and controls motor uniform rotation; Described infrared thermometer (10) is provided with thermometric window (11), in electrolyzer (40), the ir radiation information of pole plate enters infrared radiation sensor (15) successively after thermometric window (11), scanning mirror (12), speculum (13), lens (14), exports signal processing unit (16) to after described infrared radiation sensor (15) converts optical signal to electrical signal.
4. electrolytic bath electrode plate temperature monitoring system as claimed in claim 3, it is characterized in that: described signal processing unit (16) comprises position decoder (161), a CPU (162), the rotary state of motor (21) exports to a CPU (162) after position coder (161) compiling, the electrical signal that infrared radiation sensor (15) exports is successively through amplifying unit (163), parallel/serial change-over circuit (165) is exported to after ADC unit (164), described amplifying unit (163) amplifies electrical signal, ADC unit (164) carries out digital-to-analog conversion according to CPU (162) output information to the electrical signal after amplification, shaping circuit (166) is exported to after described parallel/serial change-over circuit (165) transfers parallel signal to synchronous serial signal, shaping circuit (166) exports processing module (30) to after carrying out shaping according to CPU (162) output information to synchronous serial signal.
5. electrolytic bath electrode plate temperature monitoring system as claimed in claim 4, it is characterized in that: described infrared thermometer (10) also comprises temperature control unit (151) and cooling unit (152), the temperature information of described temperature control unit (151) monitoring infrared radiation sensor (15), and outputing control signals to cooling unit (152) according to this temperature information, cooling unit (152) cools infrared radiation sensor (15).
6. electrolytic bath electrode plate temperature monitoring system as claimed in claim 5, it is characterized in that: described processing module (30) comprises multifunction electric sub-receiver (31) and computer (32), described multifunction electric sub-receiver (31) comprises input shaper circuit (311), serial/parallel conversion circuit (312), exports the 2nd CPU (313) after the information that input shaper circuit (311), serial/parallel conversion circuit (312) export infrared thermometer (10) successively processes to; Multifunction electric sub-receiver (31) also comprises scanning window identify circuit (314), synchronization bit identify circuit (315), one CPU (162) exports motor (21) rotary state to scanning window identify circuit (314) through shaping circuit (166), input shaper circuit (311) successively, scanning window identify circuit (314) outputs signal to the 2nd CPU (313), synchronization bit identify circuit (315), and synchronization bit identify circuit (315) controls the work of serial/parallel conversion circuit (312); The information that 2nd CPU exports according to scanning window identify circuit (314), synchronization bit identify circuit (315) and serial/parallel conversion circuit (312) carry out data exchange or carry out data exchange by data temporary storage to random access memory (316) or by Programmable Peripheral Interface chip (317) and computer (32).
7. electrolytic bath electrode plate temperature monitoring system as claimed in claim 6, it is characterized in that: described computer (32) receives multifunction electric sub-receiver (31) temperature information that sends over and shows, reports to the police, computer (32) and The Cloud Terrace (22) two-way communication, control The Cloud Terrace (22) rotating speed and receive The Cloud Terrace (22) location status information.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420858895.8U CN204434744U (en) | 2014-12-30 | 2014-12-30 | Electrolytic bath electrode plate temperature monitoring system |
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| CN201420858895.8U CN204434744U (en) | 2014-12-30 | 2014-12-30 | Electrolytic bath electrode plate temperature monitoring system |
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| CN201420858895.8U Expired - Fee Related CN204434744U (en) | 2014-12-30 | 2014-12-30 | Electrolytic bath electrode plate temperature monitoring system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104451788A (en) * | 2014-12-30 | 2015-03-25 | 合肥金星机电科技发展有限公司 | Electrolytic tank pole plate temperature monitoring system |
| CN107767360A (en) * | 2017-08-17 | 2018-03-06 | 中南大学 | A kind of method for early warning and detection means for electrolytic bath electrode plate failure |
| CN111321429A (en) * | 2019-05-13 | 2020-06-23 | 杭州海康威视***技术有限公司 | Method and device for detecting temperature of electrode plate of electrolytic cell |
-
2014
- 2014-12-30 CN CN201420858895.8U patent/CN204434744U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104451788A (en) * | 2014-12-30 | 2015-03-25 | 合肥金星机电科技发展有限公司 | Electrolytic tank pole plate temperature monitoring system |
| CN107767360A (en) * | 2017-08-17 | 2018-03-06 | 中南大学 | A kind of method for early warning and detection means for electrolytic bath electrode plate failure |
| CN107767360B (en) * | 2017-08-17 | 2020-05-01 | 中南大学 | Early warning method and detection device for electrolytic cell polar plate fault |
| CN111321429A (en) * | 2019-05-13 | 2020-06-23 | 杭州海康威视***技术有限公司 | Method and device for detecting temperature of electrode plate of electrolytic cell |
| CN111321429B (en) * | 2019-05-13 | 2021-09-21 | 杭州海康威视***技术有限公司 | Method and device for detecting temperature of electrode plate of electrolytic cell |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150701 Termination date: 20161230 |