CN201643914U - Bag-type dust remover leakage detection system based on programmable logic controller - Google Patents
Bag-type dust remover leakage detection system based on programmable logic controller Download PDFInfo
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- CN201643914U CN201643914U CN201020155162XU CN201020155162U CN201643914U CN 201643914 U CN201643914 U CN 201643914U CN 201020155162X U CN201020155162X U CN 201020155162XU CN 201020155162 U CN201020155162 U CN 201020155162U CN 201643914 U CN201643914 U CN 201643914U
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- programmable logic
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- sack cleaner
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Abstract
The utility model discloses a bag-type dust remover leakage detection system based on programmable logic controller, comprising a computer and at least one analog quantity module, and the bag-type dust remover leakage detection system further comprises an electrostatic induction dust concentration sensor matched with each bag-type dust remover and a programmable logic controller PLC, the electrostatic induction dust concentration sensor is arranged between an outlet pipeline and a total exhaust pipe and is connected with the input end of the analog quantity module by a single-line lossless signal transmission line, the output end of the analog quantity module is connected with the data interface of the programmable logic controller PLC by a flat cable, the communication port of the programmable logic controller PLC is connected with the computer by a shielding double-core communication line; the bag-type dust remover leakage detection system has simple structure and convenient operation, and can remind users whether the filter bag of the bag-type dust remover is leaked and realize to dynamically monitor the discharge concentration of the bag-type dust remover.
Description
Technical field
The utility model relates to the monitoring technical field of sack cleaner, particularly relates to a kind of sack cleaner leak detection system based on programmable logic controller (PLC).
Background technology
Sack cleaner is widely used in the market a kind of high-efficiency dust remover, and its mechanism of action is dust-contained airflow when passing through filter bag, and dust is filtered under the effect of active forces such as filtration, collision, static.Filtration was filtrate when new filter bag dropped into, in case after forming dust layer on the filtrate, filter bag then only plays a part to support.Filter bag in the process of using since the effect of high temperature, acidity, atmospheric pressure etc. local down can produce to be out of shape, to wear out, tear etc. cause the filter bag leakage.If untimely discovery is changed, the filter bag change of leakage can increase, and finally causes sack cleaner to lose efficacy.Therefore, use the user of sack cleaner to need the whether product of leakage of a kind of user's of prompting sack cleaner filter bag badly.
The utility model content
The purpose of this utility model is in order to overcome the deficiency of above-mentioned background technology, provide a kind of simple in structure, easy to operate, can remind the whether sack cleaner leak detection system based on programmable logic controller (PLC) of leakage of user's sack cleaner filter bag.
The sack cleaner leak detection system that the utility model provides based on programmable logic controller (PLC), it comprises computer and at least one analog module, also comprise the electrostatic induction sensor of dust concentration and the programmable logic controller (PLC) PLC that install with each sack cleaner casing coupling, described electrostatic induction sensor of dust concentration is installed between the outlet conduit and total air escape pipe of sack cleaner casing, it is connected with the input of analog module by the harmless signal transmssion line of single line, the output of analog module is connected by the data-interface of winding displacement with programmable logic controller (PLC) PLC, and the COM1 of programmable logic controller (PLC) PLC is connected with computer by shielding twin-core connection.
In technique scheme, the output of described programmable logic controller (PLC) PLC is connected with the alarm that mates one by one with described electrostatic induction sensor of dust concentration.
In technique scheme, the input of described programmable logic controller (PLC) PLC is connected with and the contact button that is used to remove warning.
In technique scheme, be connected with RS485 to the RS232 converter of band photoisolator between 485 interfaces of described programmable logic controller (PLC) PLC and the computer.
In technique scheme, also be connected with at least one analog module between described analog module and the programmable logic controller (PLC) PLC.
In technique scheme, described analog module also links to each other with the feeder ear of programmable logic controller (PLC) PLC by two-wire direct current supply line.
In technique scheme, described electrostatic induction sensor of dust concentration external surface grounded.
Programmable logic controller (PLC) PLC is converted to data signal to the analog electrical signal of dust concentration, and data signal is arrived calculating by the specify data transfer protocol transmission.The programmable logic controller (PLC) PLC alarm command sent of receiving computer also simultaneously, and drive alarm.Software for calculation determines whether to exist the filter bag leakage according to the temporal characteristics of dust concentration value is analyzed, relatively provided judgement.And provide filter bag leakage prompting text message at the computer display interface, also send alarm command to Programmable Logic Controller by designed agreement with the Programmable Logic Controller transmission.Drive alarm by Programmable Logic Controller again and provide the leakage acoustic information.The function of establishment computer software has carries out decomposition operation to the data signal that is transmitted by Programmable Logic Controller, and is kept in the Access of the Microsoft database as the attribute of a record by sampling time, sampling channel number (corresponding deduster casing), sampled concentrations.
The utility model is by establishment Programmable Logic Controller software, computer software, carry out monitoring system ground structure and optimize debugging, form the concentration of emission real-time monitoring system of reliable sack cleaner, variation by concentration of emission provides filter bag, and leakage and leakage occur in the judgement of which deduster casing, in time find the filter bag leakage, sending reports to the police changes prompting, avoids deduster to lose efficacy.System stability, antijamming capability is strong, and modular construction has increased configuration flexibility.The programmable logic controller (PLC) PLC that adopts has the photoelectric isolating device that prevents external interference signals, can protect programmable logic controller (PLC) PLC to be without prejudice.System also has warning thresholding and the adjustable characteristics of sampling time interval, and the parameter by computer software is provided with dialog box, can be to warning thresholding and sampling time interval setting, and it is wide that scope is set.The utility model warning rate of accuracy reached 98% does not safeguard that substantially operating cost is low, and is simple in structure, easy to operate.The utility model also has demonstration, the memory function of data except that having the filter bag monitoring function, can use as the dust concentration monitoring and recording system.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Among the figure: 1-electrostatic induction sensor of dust concentration, the 2-single line can't harm signal transmssion line, 3-analog module, 4-two-wire direct current supply line, the 5-winding displacement, 6-programmable logic controller (PLC) PLC, RS485 to the RS232 converter of 7-band photoisolator, the 8-contact button, 9-alarm, 10-computer.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is described in further detail:
Referring to shown in Figure 1, the sack cleaner leak detection system that the utility model provides based on programmable logic controller (PLC), it comprises a computer 10 and at least one analog-to-digital conversion module 3, electrostatic induction sensor of dust concentration 1 and programmable logic controller (PLC) PLC6 with each sack cleaner casing coupling installation, electrostatic induction sensor of dust concentration 1 is installed between the outlet conduit and total air escape pipe of sack cleaner casing, electrostatic induction sensor of dust concentration 1 external surface grounded, it is connected with analog module 3 by the harmless signal transmssion line 2 of single line, and analog module 3 also links to each other with the feeder ear of programmable logic controller (PLC) PLC6 by two-wire direct current supply line.The output of analog module 3 is connected with the data-interface of programmable logic controller (PLC) PLC6 by winding displacement 5, and the COM1 of programmable logic controller (PLC) PLC6 is connected with computer 10 by shielding twin-core connection.In actual applications, according to the quantity of sack cleaner what, can also be connected with the data that 3, one analog modules 3 of at least one analog module can be handled 4 tablecloth bag dust collectors at most between analog module 3 and the programmable logic controller (PLC) PLC6.The output of programmable logic controller (PLC) PLC6 is connected with the alarm 9 that mates one by one with electrostatic induction sensor of dust concentration 1, programmable logic controller (PLC) PLC6 input be connected with and be used to remove the contact button 8 of warning.Be connected with RS485 to the RS232 converter 7 of band photoisolator between 485 interfaces of programmable logic controller (PLC) PLC6 and the computer 10.
Operation principle of the present utility model is as follows:
The analog electrical signal that electrostatic induction sensor of dust concentration 1 is induced is converted to 12 position digital signals, and send programmable logic controller (PLC) PLC6 to, programmable logic controller (PLC) PLC6 carries out conversion, transmission formatted data and the verification of concentration range, the arrangement of transmission agreement to the digital quantity of concentration numerical value, sends to computer 10 then.Each passage of while programmable logic controller (PLC) PLC6 periodic scanning accepts also to judge that calculating the data of sending accepts data or alarm command, if the data of acceptance, then send concentration data to computer 10, if alarm command, then closed output relay, alarm 9 actions.Computer 10 regularly sends request of data to programmable logic controller (PLC) PLC6, the integrality of judgment data, rejecting interfering data, and in the Frame control and other character remove, take out concentration data and be converted to decimal number, judge, show, store, as surpassing the alarm threshold value of setting, then the display interface at computer 10 provides text prompt, sends alarm command to programmable logic controller (PLC) PLC6 simultaneously.Alarm 9 is driven by programmable logic controller (PLC) PLC6, and the lasting time of fire alarming of alarm 9 is 50 seconds.Report to the police the duration to promptly removing warning, also can use contact button 8, in the duration of reporting to the police, remove and report to the police.
Computer software to the comparison of concentration value according to the concentration value of three continuous sampling time intervals all above the warning concentration threshold of setting, promptly send alarm signal and instruction.Programmable logic controller (PLC) is finished the conversion of dust concentration analog signal to digital number, and is converted into dust concentration, by the Data Transport Protocol of defined to computer send data, accept the instruction of computer, the action of control alarm.Computer software all above setting alarming value, sends alarm command by continuous three concentration datas.Computer is finished the positioning function of the storage of dust concentration data, calculating, demonstration, leakage filter bag casing.The deduster end adopts acoustical signal to report to the police, and its sound level reaches 95dB, and computer terminal is adopting the alarm signal that shows text.Filter bag leakage monitoring system antijamming capability is strong, modular construction, and hardware configuration is flexible, can expand with the scale of sack cleaner.The warning rate of accuracy reached 98% of this system, sensor is suitable for the temperature below 350 ℃.
The programmable logic controller (PLC) PLC6 that the utility model adopts has the RS485 communication interface, uses the city to join the 50Hz220V AC power, and the dc source of analog module 3 is provided by programmable logic controller (PLC) PLC6, also can use the 24V dc source.Can count according to what and programmable logic controller (PLC) PLC6 of sack cleaner bag chamber in actual applications what, can be to programmable logic controller (PLC) PLC6 and analog-to-digital conversion module 3 flexible configuration, be not limited to the concrete model of programmable logic controller (PLC) PLC6, also be not limited to the feature difference of programmable logic controller (PLC) PLC6.
Obviously, those skilled in the art can carry out various changes and modification to the utility model and not break away from spirit and scope of the present utility model.Like this, if of the present utility model these are revised and modification belongs within the scope of the utility model claim and equivalent technologies thereof, then the utility model also is intended to comprise these changes and modification interior.
The content that is not described in detail in this specification belongs to this area professional and technical personnel's known prior art.
Claims (7)
1. sack cleaner leak detection system based on programmable logic controller (PLC), it comprises computer (10) and at least one analog module (3), it is characterized in that: also comprise the electrostatic induction sensor of dust concentration (1) and the programmable logic controller (PLC) PLC (6) that install with each sack cleaner casing coupling, described electrostatic induction sensor of dust concentration (1) is installed between the outlet conduit and total air escape pipe of sack cleaner casing, it is connected with the input of analog module (3) by the harmless signal transmssion line (2) of single line, the output of analog module (3) is connected with the data-interface of programmable logic controller (PLC) PLC (6) by winding displacement (5), and the COM1 of programmable logic controller (PLC) PLC (6) is connected with computer (10) by shielding twin-core connection.
2. the sack cleaner leak detection system based on programmable logic controller (PLC) as claimed in claim 1 is characterized in that: the output of described programmable logic controller (PLC) PLC (6) is connected with the alarm (9) that mates one by one with described electrostatic induction sensor of dust concentration (1).
3. the sack cleaner leak detection system based on programmable logic controller (PLC) as claimed in claim 2 is characterized in that: the input of described programmable logic controller (PLC) PLC (6) is connected with and the contact button (8) that is used to remove warning.
4. the sack cleaner leak detection system based on programmable logic controller (PLC) as claimed in claim 1 is characterized in that: RS485 to the RS232 converter (7) that is connected with the band photoisolator between 485 interfaces of described programmable logic controller (PLC) PLC (6) and the computer (10).
5. the sack cleaner leak detection system based on programmable logic controller (PLC) as claimed in claim 1 is characterized in that: also be connected with at least one analog module (3) between described analog module (3) and the programmable logic controller (PLC) PLC (6).
6. the sack cleaner leak detection system based on programmable logic controller (PLC) as claimed in claim 1 is characterized in that: described analog module (3) also links to each other with the feeder ear of programmable logic controller (PLC) PLC (6) by two-wire direct current supply line.
7. the sack cleaner leak detection system based on programmable logic controller (PLC) as claimed in claim 1 is characterized in that: described electrostatic induction sensor of dust concentration (1) external surface grounded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020155162XU CN201643914U (en) | 2010-04-06 | 2010-04-06 | Bag-type dust remover leakage detection system based on programmable logic controller |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020155162XU CN201643914U (en) | 2010-04-06 | 2010-04-06 | Bag-type dust remover leakage detection system based on programmable logic controller |
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| CN201643914U true CN201643914U (en) | 2010-11-24 |
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| CN201020155162XU Expired - Fee Related CN201643914U (en) | 2010-04-06 | 2010-04-06 | Bag-type dust remover leakage detection system based on programmable logic controller |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102188867A (en) * | 2011-04-09 | 2011-09-21 | 太原罗克佳华工业有限公司 | System for monitoring and evaluating operational efficiency grade of bag type dust remover |
| CN102764550A (en) * | 2012-08-02 | 2012-11-07 | 中冶赛迪工程技术股份有限公司 | Leakage detecting device of bag-type dust remover and leakage detecting method thereof |
| CN102989242A (en) * | 2012-11-30 | 2013-03-27 | 鞍钢股份有限公司 | Method for inspecting damage of dust collecting bag |
| CN103721485A (en) * | 2013-12-18 | 2014-04-16 | 宁夏森源重工设备有限公司 | Cloth bag bin of submerged arc furnace tail gas purification system with on-line leak detection function |
| CN104181857A (en) * | 2014-09-11 | 2014-12-03 | 四川科伦药业股份有限公司 | Material leakage linkage control system of fluid bed granulating drier |
| CN104492184A (en) * | 2014-12-23 | 2015-04-08 | 常熟市矿山机电器材有限公司 | Leakage detecting and alarming system of normal-temperature bag-type dust collector |
| CN104535466A (en) * | 2015-01-09 | 2015-04-22 | 靖江市恩菲环境工程技术研究所 | Dust concentration monitoring method and system and PLC |
| CN108918470A (en) * | 2018-07-16 | 2018-11-30 | 中国科学院合肥物质科学研究院 | A kind of dust-removal cloth-bag broken bag localization method based on Photoelectric Detection |
| CN110333171A (en) * | 2019-08-12 | 2019-10-15 | 山东科技大学 | Coal handling system transfer point dust concentration detecting method and system |
| WO2020034838A1 (en) * | 2018-08-16 | 2020-02-20 | 成都瑞柯林工程技术有限公司 | Dust monitoring method, system, and signal processing device |
| CN112156585A (en) * | 2020-09-15 | 2021-01-01 | 中南钻石有限公司 | Dust collecting equipment leak hunting device |
-
2010
- 2010-04-06 CN CN201020155162XU patent/CN201643914U/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102188867A (en) * | 2011-04-09 | 2011-09-21 | 太原罗克佳华工业有限公司 | System for monitoring and evaluating operational efficiency grade of bag type dust remover |
| CN102764550A (en) * | 2012-08-02 | 2012-11-07 | 中冶赛迪工程技术股份有限公司 | Leakage detecting device of bag-type dust remover and leakage detecting method thereof |
| CN102989242A (en) * | 2012-11-30 | 2013-03-27 | 鞍钢股份有限公司 | Method for inspecting damage of dust collecting bag |
| CN103721485A (en) * | 2013-12-18 | 2014-04-16 | 宁夏森源重工设备有限公司 | Cloth bag bin of submerged arc furnace tail gas purification system with on-line leak detection function |
| CN104181857A (en) * | 2014-09-11 | 2014-12-03 | 四川科伦药业股份有限公司 | Material leakage linkage control system of fluid bed granulating drier |
| CN104492184A (en) * | 2014-12-23 | 2015-04-08 | 常熟市矿山机电器材有限公司 | Leakage detecting and alarming system of normal-temperature bag-type dust collector |
| CN104535466A (en) * | 2015-01-09 | 2015-04-22 | 靖江市恩菲环境工程技术研究所 | Dust concentration monitoring method and system and PLC |
| CN108918470A (en) * | 2018-07-16 | 2018-11-30 | 中国科学院合肥物质科学研究院 | A kind of dust-removal cloth-bag broken bag localization method based on Photoelectric Detection |
| WO2020034838A1 (en) * | 2018-08-16 | 2020-02-20 | 成都瑞柯林工程技术有限公司 | Dust monitoring method, system, and signal processing device |
| CN110836839A (en) * | 2018-08-16 | 2020-02-25 | 成都瑞柯林工程技术有限公司 | Dust monitoring method and system and signal processing device |
| CN110836839B (en) * | 2018-08-16 | 2022-02-22 | 成都瑞柯林工程技术有限公司 | Dust monitoring method and system and signal processing device |
| US11953418B2 (en) | 2018-08-16 | 2024-04-09 | Reachclean Engineering And Technical Chengdu Co., Ltd | Dust monitoring method, system and signal processing device |
| CN110333171A (en) * | 2019-08-12 | 2019-10-15 | 山东科技大学 | Coal handling system transfer point dust concentration detecting method and system |
| CN112156585A (en) * | 2020-09-15 | 2021-01-01 | 中南钻石有限公司 | Dust collecting equipment leak hunting device |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101124 Termination date: 20130406 |