CN203534666U - Intelligent material level detection meter - Google Patents
Intelligent material level detection meter Download PDFInfo
- Publication number
- CN203534666U CN203534666U CN201320736828.4U CN201320736828U CN203534666U CN 203534666 U CN203534666 U CN 203534666U CN 201320736828 U CN201320736828 U CN 201320736828U CN 203534666 U CN203534666 U CN 203534666U
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- rotary encoder
- supporting roller
- wire spool
- wire rope
- intelligent material
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Abstract
The utility model discloses an intelligent material level detection meter and belongs to the technical field of automatic measurement equipment. The intelligent material level detection meter comprises a heavy hammer connected with a steel wire rope, a winding disk on which the steel wire rope is wound, a winding disk driving device, a rotary encoder a arranged coaxially with the winding disk, and a following wheel arranged in the same direction with the winding disk, wherein a rotating shaft of the following wheel is connected with a rotary encoder b; the steel wire rope passes through the following wheel; the heavy hammer connected with the steel wire rope passes through a guide device and then extends into a detection space; signals of the rotary encoder a and the rotary encoder b are connected to a PLC (programmable logic controller). The intelligent material level detection meter is accurate in measurement, high in interference resistance and suitable for material level detection and control on powdered, block-type and granular materials in shaft furnaces and material storehouses of the industries such as metallurgy, coal, chemical engineering, cement and storage and transportation.
Description
Technical field
The utility model relates to a kind of material-height exploring meter, and particularly a kind of intelligent material-height exploring meter, belongs to automatic measuring equipment technical field.
Background technology
Level gauging is the main technologic parameters that will gather and control in many commercial production, material level often need to be measured and control to the industries such as metallurgy, coal, chemical industry, cement, accumulating, the sensor of industry spot and instrument are often far away at a distance of tens meters of even hundreds of rice, this just requires equipment to have very strong antijamming capability and very high reliability, the instrument of the level-sensing device using at present partly adopts discrete electronic component and general instrument, and antijamming capability is very poor.Because the interference of electromagnetism is easy to cause the drift of data, cause measuring inaccurate, even cannot measure.Bring many uncertain factors, the carrying out that is unfavorable for producing efficient lean to commercial production and control.
Summary of the invention
The purpose of this utility model is to overcome the defect in current level gauging, and a kind of intelligent material-height exploring meter is provided.
For realizing the purpose of this utility model, the technical scheme that the utility model adopts is: intelligent material-height exploring meter, comprise the weight being connected with wire rope, be provided with wire spool, wirerope-winding is on wire spool, be provided with wire spool drive unit, be coaxially arranged with rotary encoder a with wire spool, be provided with in the same way supporting roller with wire spool, on the rotation axis of supporting roller, be connected with rotary encoder b, wire rope passes through from supporting roller, the weight that wire rope connects is lowered to space exploration after guide piece, described rotary encoder a, the signal of rotary encoder b is connected to PLC, described wire spool drive unit is: be provided with drive motor, in the output of drive motor, be connected with reductor, wire spool is connected on the output shaft of reductor, described wire rope end is connected with high temperature chain, weight is connected to the end of high temperature chain, in described supporting roller rotating shaft, be connected with speed reduction unit, rotary encoder b is connected to the output terminal of speed reduction unit, described supporting roller height is not less than the card height of wire spool, the wheel surface of described supporting roller is arranged at intervals with along the groove of wheel thickness direction, after supporting roller, be provided with the second supporting roller, the second supporting roller connects to drive rotary encoder c, the signal of rotary encoder c is connected to PLC, described wire spool drive unit, rotary encoder a, supporting roller, rotary encoder b is arranged on and drives in cabinet.
The useful technique effect of intelligent material-height exploring meter provided by the utility model is: when needs are surveyed material level, drive unit rotates weight to transferring, two rotary encoders are simultaneously along with rotation, the signal of rotary encoder is constantly dealt into PLC, and when weight contacts material level, wire rope is no longer subject to downward pulling force, between wire rope and supporting roller, no longer include friction force, supporting roller no longer rotates, and rotary encoder b no longer sends signal, and PLC calculates material level after identification judgement.This device adopts two rotary encoders to measure material level, measure accurately, antijamming capability is strong, rotary encoder can change into Gray code the position of weight and deliver to PLC, the corresponding unique code value in a certain position of weight, even if a certain moment is interfered, but next just can be retrieved the code of losing constantly, can not produce because of interference cumulative errors, guaranteed that weight returns the accuracy of initial point, fundamentally solved its anti-interference difficult problem, on supporting roller surface, groove is set, be conducive to the friction between enhancing and wire rope, reduce measuring error, the second supporting roller and rotary encoder c are set, in the situation that breaking down, supporting roller or rotary encoder b still can guarantee the reliability of system, between wire rope and weight, use high temperature chain to be connected, can meet the use under hot environment, measuring machine drive unit is arranged on casing energy, under the environment that dust is larger at the scene, also can guarantee that this device normally works accurately, this device is specially adapted to metallurgy, coal, chemical industry, cement, the shaft furnace of the industries such as accumulating and feed bin Powdered, block, the material level Detection & Controling of granular material.
Accompanying drawing explanation
Fig. 1 is the schematic diagram that the utility model is installed.
Fig. 2 is that the utility model drives the schematic diagram in cabinet.
Embodiment
In order better to understand and to implement the technical solution of the utility model, at this, provide embodiment more of the present utility model, these embodiments, in order better to explain technical scheme described in the utility model, do not form any form restriction of the present utility model.
Intelligence material-height exploring meter, comprise the weight being connected with wire rope, be provided with wire spool, wirerope-winding is on wire spool, be provided with wire spool drive unit, be coaxially arranged with rotary encoder a with wire spool, be provided with in the same way supporting roller with wire spool, on the rotation axis of supporting roller, be connected with rotary encoder b, wire rope passes through from supporting roller, the weight that wire rope connects is lowered to space exploration after guide piece, described rotary encoder a, the signal of rotary encoder b is connected to PLC, described wire spool drive unit is: be provided with drive motor, in the output of drive motor, be connected with reductor, wire spool is connected on the output shaft of reductor, described wire rope end is connected with high temperature chain, weight is connected to the end of high temperature chain, in described supporting roller rotating shaft, be connected with speed reduction unit, rotary encoder b is connected to the output terminal of speed reduction unit, described supporting roller height is not less than the card height of wire spool, the wheel surface of described supporting roller is arranged at intervals with along the groove of wheel thickness direction, after supporting roller, be provided with the second supporting roller, the second supporting roller connects to drive rotary encoder c, the signal of rotary encoder c is connected to PLC, described wire spool drive unit, rotary encoder a, supporting roller, rotary encoder b is arranged on and drives in cabinet.More specifically embodiment is as follows, as shown in drawings, in accompanying drawing, is respectively labeled as: 1: motor, 2: reductor, 3: wire spool, 4: rotary encoder a, 5: rotary encoder b, 6: supporting roller, 7: speed reduction unit, 8: wire rope, 9: drive cabinet, 10: angle sheave, 11: high temperature chain, 12: furnace roof, 13: weight, intelligence material-height exploring meter, comprise the weight 13 being connected with wire rope 8, be provided with wire spool 3, wire rope 13 is wrapped on wire spool 3, be provided with wire spool 3 drive units, be coaxially arranged with rotary encoder a4 with wire spool 3, be provided with in the same way supporting roller 6 with wire spool 3, on the rotation axis of supporting roller 6, be connected with rotary encoder b5, wire rope 8 is from supporting roller 6 processes, the weight 15 that wire rope 8 connects enters space exploration after guide piece, guide piece can be angle sheave 10, described rotary encoder a4, the signal of rotary encoder b5 is connected to PLC, described wire spool 3 drive units are: be provided with drive motor 1, in the output of drive motor, be connected with reductor 2, wire spool 3 is connected on the output shaft of reductor 2, described wire rope 8 ends are connected with high temperature chain 11, weight 13 is connected to the end of high temperature chain 11, in described supporting roller 6 rotating shafts, be connected with speed reduction unit 7, rotary encoder b5 is connected to the output terminal of speed reduction unit 7, described supporting roller 6 is highly not less than the card height of wire spool 3, the wheel surface of described supporting roller 6 is arranged at intervals with along the groove of wheel thickness direction, described wire spool drive unit, rotary encoder a4, supporting roller 6, rotary encoder b5 is arranged on and drives in cabinet 9, arranging of the second supporting roller and rotary encoder c can be identical with arranging of supporting roller and rotary encoder b.The course of work of this device is: put hammer process: this device receives to be visited after material signal, under the control of PLC, make the decline A.C. contactor in system obtain electric adhesive, motor drives reductor to rotate by shaft joint, reductor drives wire spool to rotate to emit wire rope again and makes weight start to decline, rotary encoder a is synchronizeed and is rotated with wire spool, under the pressure-acting of wire rope, supporting roller also rotates with wire rope motion, supporting roller rotates by speed reduction unit driven rotary scrambler b again, wire rope declines under the effect of weight gravity, rotary encoder a is synchronizeed and is rotated with wire spool, and the position of weight is changed into the input end that Gray code is delivered to programmable controller (PLC), PLC carries out decoding by the Gray code collecting, add up and wait mathematical operation to process, and by the result of computing by showing in guidance panel, in decline process, wire rope is under the Action of Gravity Field of weight, remain tension, between wire rope and supporting roller, there is enough friction force to drive supporting roller to rotate, rotary encoder b delivers to PLC by the coding of adopting and carries out analyzing and processing, when weight touches charge level, wire rope relaxes and leaves supporting roller owing to losing the effect of weight pulling force, supporting roller slows down and even shuts down, thereby the code value of adopting in rotary encoder b200ms reduces, be transferred to PLC post analysis and must touch charge level signal, stop to hammer into shape signal, decline A.C. contactor in system disconnects, motor stops, the yardage that PLC provides according to rotary encoder b calculates the distance that weight declines, tactile charge level stopped hammering into shape after 3 seconds, rising A.C. contactor adhesive in the system that PLC controls, electric machine rotation, receive hammer until initial point, in receiving the process of hammer, driven by motor reductor synchronously rotates wire spool and rotary encoder a, after the Gray code that PLC sends the rotary encoder a collecting is processed, by " present encoding " that obtain with stop hammering lead into shape and compare, when being less than this value, PLC controls the power-off of rising A.C. contactor, motor stops, survey and finish, to this, complete one and visited the material cycle.
After describing above various specific embodiment of the present utility model in detail, those of ordinary skill in the art should be well understood to, various common practise according to this area, according to thinking of the present utility model, can carry out various equivalent variations, be equal to and replace or simply revise, these all should belong to the scope of technical solutions of the utility model.
Claims (8)
1. intelligent material-height exploring meter, comprise the weight being connected with wire rope, it is characterized in that: be provided with wire spool, wirerope-winding is on wire spool, be provided with wire spool drive unit, be coaxially arranged with rotary encoder a with wire spool, be provided with in the same way supporting roller with wire spool, on the rotation axis of supporting roller, be connected with rotary encoder b, wire rope passes through from supporting roller, the weight that wire rope connects enters space exploration after guide piece, and described rotary encoder a, the signal of rotary encoder b are connected to PLC.
2. intelligent material-height exploring meter according to claim 1, is characterized in that: described wire spool drive unit is: be provided with drive motor, in the output of drive motor, be connected with reductor, wire spool is connected on the output shaft of reductor.
3. intelligent material-height exploring meter according to claim 1, is characterized in that: described wire rope end is connected with high temperature chain, and weight is connected to the end of high temperature chain.
4. intelligent material-height exploring meter according to claim 1, is characterized in that: in described supporting roller rotating shaft, be connected with speed reduction unit, rotary encoder b is connected to the output terminal of speed reduction unit.
5. intelligent material-height exploring meter according to claim 1, is characterized in that: described supporting roller height is not less than the card height of wire spool.
6. intelligent material-height exploring meter according to claim 1, is characterized in that: the wheel surface of described supporting roller is arranged at intervals with along the groove of wheel thickness direction.
7. intelligent material-height exploring meter according to claim 1, is characterized in that: after supporting roller, be provided with the second supporting roller, the second supporting roller connects to drive rotary encoder c, and the signal of rotary encoder c is connected to PLC.
8. intelligent material-height exploring meter according to claim 1, is characterized in that: described wire spool drive unit, rotary encoder a, supporting roller, rotary encoder b are arranged on and drive in cabinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320736828.4U CN203534666U (en) | 2013-11-21 | 2013-11-21 | Intelligent material level detection meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320736828.4U CN203534666U (en) | 2013-11-21 | 2013-11-21 | Intelligent material level detection meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203534666U true CN203534666U (en) | 2014-04-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320736828.4U Expired - Fee Related CN203534666U (en) | 2013-11-21 | 2013-11-21 | Intelligent material level detection meter |
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| Country | Link |
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| CN (1) | CN203534666U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104359523A (en) * | 2014-12-08 | 2015-02-18 | 黑龙江省中贝技术有限公司 | Long-range continuous radio-frequency admittance material level control device |
| CN104655227A (en) * | 2013-11-21 | 2015-05-27 | 河南众恒工业炉工程技术有限公司 | Intelligent material level detection meter |
-
2013
- 2013-11-21 CN CN201320736828.4U patent/CN203534666U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104655227A (en) * | 2013-11-21 | 2015-05-27 | 河南众恒工业炉工程技术有限公司 | Intelligent material level detection meter |
| CN104359523A (en) * | 2014-12-08 | 2015-02-18 | 黑龙江省中贝技术有限公司 | Long-range continuous radio-frequency admittance material level control device |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140409 Termination date: 20161121 |