CN204679143U - Strain transducer level measuring and controlling device - Google Patents
Strain transducer level measuring and controlling device Download PDFInfo
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- CN204679143U CN204679143U CN201520443834.XU CN201520443834U CN204679143U CN 204679143 U CN204679143 U CN 204679143U CN 201520443834 U CN201520443834 U CN 201520443834U CN 204679143 U CN204679143 U CN 204679143U
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- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
- Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
Abstract
A kind of strain transducer level measuring and controlling device for tippler hopper, comprise low level sensor, temperature sensor, data acquisition module, fiber optic network transmission system and PLC, described low level sensor is strain gauge transducer, this sensor is arranged on the outer side-lower of bucket wall, receive the strain signal of hopper side wall, strain signal is outputted to described data acquisition module; Described temperature sensor is arranged on outside bucket wall, and the temperature variation signal of the headwall received is outputted to described data acquisition module; The signal of data acquisition module is transported to PLC control module by fiber optic network transmission system.Described strain transducer level measuring and controlling device also comprises a high charge level sensor, and described high charge level sensor is strain gauge transducer, and this sensor is arranged on top outside bucket wall.The utility model structure is simple, easy to assembly, effectively can avoid the impact of on-the-spot rugged surroundings, improves stability and the degree of accuracy of bin level observing and controlling work.
Description
Technical field
The utility model relates to material transportation and storage facilities, is specifically related to a kind of strain transducer level measuring and controlling device for tippler hopper.
Background technology
Tippler is the strong coal handling equipment of harbour machineryization, serialization can be implemented to the Railway Coal lorry approached and topple over operation, ensure that the key of its efficiency is the coal flow controlling turnover hopper, the observing and controlling of bin level is then the key of the coal flow controlling turnover hopper.Pick-up unit at present for tippler bin level mainly contains sound wave level meter, radar levelmeter, gamma ray Level measurement instrument and LOAD CELLS, during use, there are the following problems: sound wave level meter and radar levelmeter, be subject to on-the-spot coal ash dust, the interference such as double-edged fine-toothed comb in spray water mist and storehouse, rate of false alarm is higher; Though gamma ray Level measurement instrument Detection results is excellent, its radioactive source is very big to harm, uses restriction strict; Installing LOAD CELLS can make the structure of hopper become complicated, cannot use in many occasions.
Summary of the invention
The purpose of this utility model is for the problems referred to above, there is provided a kind of strain transducer level measuring and controlling device, this strain transducer level measuring and controlling apparatus structure is simple, easy to assembly, effectively can avoid the impact of on-the-spot rugged surroundings, improve reliability and the degree of accuracy of detection control signal.
The technical scheme realizing above-mentioned purpose is: a kind of strain transducer level measuring and controlling device, comprises low level sensor, temperature sensor, data acquisition module, fiber optic network transmission system and PLC control module, wherein:
Described low level sensor is strain gauge transducer, and this sensor is arranged on the outer side-lower of bucket wall, receives the strain signal of hopper side wall, strain signal is outputted to described data acquisition module;
Described temperature sensor is arranged on outside bucket wall, and the temperature variation signal of the headwall received is outputted to described data acquisition module;
The signal of described data acquisition module is transported to PLC control module by fiber optic network transmission system.
Described strain transducer level measuring and controlling device also comprises a high charge level sensor, and described high charge level sensor is strain gauge transducer, and this sensor is arranged on top outside bucket wall, and the strain signal of the headwall received is outputted to described data acquisition module.
The beneficial effects of the utility model are:
1, this strain transducer level measuring and controlling device utilizes strain transducer by the shape changing detection bin level of hopper, has structure simple, feature easy to assembly.
2, the strain transducer of this strain transducer level measuring and controlling device is fixed on the suitable position of hopper outside, and the not impact of rugged surroundings in hopper, work stability and reliability is high.
3, this strain transducer level measuring and controlling device can install low level sensor and high charge level sensor simultaneously, considers the strained situation under the low material level of hopper and high charge level different situations, improves whole bin level detection perform.
4, this strain transducer level measuring and controlling device also detects the working temperature of low material level strain transducer and high charge level strain transducer by the temperature sensor installed, according to the drift of temperature variation controlled strain sensor signal, further increase the degree of accuracy that whole bin level detects.
Accompanying drawing explanation
Fig. 1 is this strain transducer level measuring and controlling device schematic diagram.
In figure: 1, hopper, 2, low level sensor, 3, high charge level sensor, 4, temperature sensor, 5, data acquisition module, 6, fiber optic network transmission system, 7, PLC control module.
Embodiment
The utility model provides a kind of strain transducer level measuring and controlling device, comprises low level sensor 2, data acquisition module 5, fiber optic network transmission system 6, PLC control module 7.When hopper 1 sent to by material, the weight of material produces pressure to hopper 1 sidewall, makes hopper 1 sidewall that faint distortion occur.Material in hopper 1 is more, larger to the pressure of hopper 1 sidewall.
Described low level sensor 2 is arranged on the outer side-lower of hopper 1 wall, receives the strain signal of hopper 1 sidewall, strain signal is outputted to described data acquisition module 5.
According to the difference of working environment, described strain transducer level measuring and controlling device also comprises a temperature sensor 4, described temperature sensor 4 is arranged on outside hopper 1 wall, with low level sensor 2 with the use of, the temperature variation signal of the headwall received is outputted to described data acquisition module 5.By temperature sensor 4 and low level sensor 2 dock and real time data is disposed, correcting signal deviation, solve signal drift problem, meet and detect needed for practicality.
Described data acquisition module 5 receives the signal of described low level sensor 2, outputs to described PLC control module 7 by fiber optic network transmission system 6.
After described PLC control module 7 Received signal strength, signal is analyzed, the number of material in hopper 1 is judged by the strain signal of low material level strain transducer 2, the change of material level and inventory in the reacting condition of strain signal hopper 1, PLC control module 7 sends the start and stop of control signal to the such as feed arrangement such as tippler, conveyor in real time according to different input signals and controls, to control the charging rate in hopper 1, guarantee that material level in hopper 1 and inventory are in suitable level.
Described strain transducer level measuring and controlling device also comprises a high charge level sensor 3, and described high charge level sensor 3 is arranged on top outside hopper 1 wall, and the strain signal of the headwall received is outputted to described data acquisition module 5.High charge level sensor 3 should with low level sensor 2 with the use of, high charge level sensor 3 is arranged on hopper 1 sidewall near the position on hopper 1 top, and low level sensor 2 is arranged on the position of hopper 1 sidewall bottom hopper 1.When in hopper 1, material is less, when material level is lower, the signal that low level sensor 2 gathers just can meet the requirement of accuracy of detection, and when inventory in hopper 1 is more, when material level is higher, high charge level sensor 3 and low level sensor 2 detect the STRESS VARIATION of hopper 1 sidewall jointly, and are processed by data acquisition module 5, guarantee the precision of pick-up unit.
Low material level strain transducer 2 of the present utility model and high charge level sensor 3 are arranged on hopper by strain sensing expanding unit, to improve the detection degree of accuracy of bin level.
The utility model in actual use, as the tippler for Coal Transport equipment, simultaneously can arrange multiple level measuring and controlling device at multiple hopper and tippler control end, realizes jointly controlling of multiple hopper and tippler.
Claims (2)
1. a strain transducer level measuring and controlling device, comprises low level sensor, temperature sensor, data acquisition module, fiber optic network transmission system and PLC control module, it is characterized in that:
Described low level sensor is strain gauge transducer, and this sensor is arranged on the outer side-lower of bucket wall, receives the strain signal of hopper side wall, strain signal is outputted to described data acquisition module;
Described temperature sensor is arranged on outside bucket wall, and the temperature variation signal of the headwall received is outputted to described data acquisition module;
The signal of described data acquisition module is transported to PLC control module by fiber optic network transmission system.
2. strain transducer level measuring and controlling device according to claim 1, it is characterized in that: described strain transducer level measuring and controlling device also comprises a high charge level sensor, described high charge level sensor is strain gauge transducer, this sensor is arranged on top outside bucket wall, and the strain signal of the headwall received is outputted to described data acquisition module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520443834.XU CN204679143U (en) | 2015-06-26 | 2015-06-26 | Strain transducer level measuring and controlling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520443834.XU CN204679143U (en) | 2015-06-26 | 2015-06-26 | Strain transducer level measuring and controlling device |
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| Publication Number | Publication Date |
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| CN204679143U true CN204679143U (en) | 2015-09-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520443834.XU Expired - Fee Related CN204679143U (en) | 2015-06-26 | 2015-06-26 | Strain transducer level measuring and controlling device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110667568A (en) * | 2019-09-24 | 2020-01-10 | 江苏徐工工程机械研究院有限公司 | Rollover alarm system, rollover risk prediction method and rollover alarm method |
| CN111103029A (en) * | 2019-12-26 | 2020-05-05 | 河南理工大学 | Intelligent monitoring device and monitoring method for fiber bragg grating of coal level of coal bunker |
| CN114634007A (en) * | 2022-02-11 | 2022-06-17 | 国能黄骅港务有限责任公司 | Tippler feeding system and low material level detection method and device thereof |
| CN114701870A (en) * | 2022-02-11 | 2022-07-05 | 国能黄骅港务有限责任公司 | Tippler feeding system and high material level detection method and device thereof |
-
2015
- 2015-06-26 CN CN201520443834.XU patent/CN204679143U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110667568A (en) * | 2019-09-24 | 2020-01-10 | 江苏徐工工程机械研究院有限公司 | Rollover alarm system, rollover risk prediction method and rollover alarm method |
| US11816939B2 (en) | 2019-09-24 | 2023-11-14 | Jiangsu Xcmg Construction Machinery Research Institute Ltd. | Rollover alarming system, rollover risk prediction method, and rollover alarming method |
| CN111103029A (en) * | 2019-12-26 | 2020-05-05 | 河南理工大学 | Intelligent monitoring device and monitoring method for fiber bragg grating of coal level of coal bunker |
| CN111103029B (en) * | 2019-12-26 | 2021-04-30 | 河南理工大学 | Intelligent monitoring device and monitoring method for fiber bragg grating of coal level of coal bunker |
| CN114634007A (en) * | 2022-02-11 | 2022-06-17 | 国能黄骅港务有限责任公司 | Tippler feeding system and low material level detection method and device thereof |
| CN114701870A (en) * | 2022-02-11 | 2022-07-05 | 国能黄骅港务有限责任公司 | Tippler feeding system and high material level detection method and device thereof |
| CN114634007B (en) * | 2022-02-11 | 2024-03-22 | 国能黄骅港务有限责任公司 | Feeding system of dumper and low material level detection method and device thereof |
| CN114701870B (en) * | 2022-02-11 | 2024-03-29 | 国能黄骅港务有限责任公司 | Feeding system of dumper and high material level detection method and device thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150930 Termination date: 20190626 |
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| CF01 | Termination of patent right due to non-payment of annual fee |