CN113353560A - Positioning system of impeller coal feeder and check curtain - Google Patents
Positioning system of impeller coal feeder and check curtain Download PDFInfo
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- CN113353560A CN113353560A CN202110685997.9A CN202110685997A CN113353560A CN 113353560 A CN113353560 A CN 113353560A CN 202110685997 A CN202110685997 A CN 202110685997A CN 113353560 A CN113353560 A CN 113353560A
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- encoder
- reader
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- coal feeder
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G29/00—Rotary conveyors, e.g. rotating discs, arms, star-wheels or cones
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G43/00—Control devices, e.g. for safety, warning or fault-correcting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2201/00—Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
- B65G2201/04—Bulk
- B65G2201/045—Sand, soil and mineral ore
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2203/00—Indexing code relating to control or detection of the articles or the load carriers during conveying
- B65G2203/04—Detection means
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- Control Of Conveyors (AREA)
Abstract
The invention discloses a positioning system for an impeller coal feeder and a stop curtain, which comprises: a position reader-writer arranged on the stop curtain and an encoder of the impeller coal feeder; the position reader is connected with a position coding module, a transmitting module and a receiving module are arranged in the position reader, the transmitting module sends out an inquiry signal, selects a position signal in an energy field, establishes a data communication link and carries out read-write operation on the position signal, and after receiving the signal, an antenna transmits the signal to the built-in receiving module and then the MCU module carries out data processing; the encoder includes: photoelectric code disc with central shaft, photoelectric emitting and receiving device. The positioning system designed by the invention is designed aiming at the position change condition of the impeller coal feeder and the retaining curtain, so that the problem that the positioning of the impeller coal feeder and the retaining curtain cannot be realized due to remote control is solved, the coal feeding efficiency of the impeller coal feeder is greatly improved, and the difficulty of the field work of personnel is reduced.
Description
Technical Field
The invention relates to the technical field of impeller coal feeders, in particular to a positioning system of an impeller coal feeder and a retaining curtain.
Background
The impeller coal feeder is one of the important auxiliary machines in coal burning power plant, and is mainly used in gap coal ditch of heat power plant. The design of the coal groove is slope type, so that the coal outlet is provided with a baffle curtain to prevent coal from falling.
The blocking curtain is mechanically pushed along with the walking of the impeller coal feeder through a sliding rod of a plate opener fixed on the impeller coal feeder, so that the blocking curtain is opened or closed in a mode of opening, discharging and closing. Due to various mechanical failure reasons, the defects of curtain blocking deformation, curtain blocking death, curtain blocking falling, plate lifter deformation and the like can be generated, particularly the defects of curtain blocking death can be generated, and if the machine is not found and stopped in time, accidents such as wheel dropping of the impeller coal feeder, damage of an impeller claw, collision of the curtain and the like can be caused, and even serious accidents such as complete machine dropping of the impeller coal feeder, tearing of a coal conveying belt, batch collision of the curtain and the like can be caused. The impeller coal feeder travels on the rail, and the traveling precision is low, so that the remote operation and automatic operation of the impeller coal feeder can be realized, the blocking curtain can be reliably and accurately positioned, and the conditions of the blocking curtain and the plate lifter, such as the situation that the blocking curtain is vacant, falls off, is blocked, and the plate lifter is damaged, and the safety production of the impeller coal feeder in the automatic operation state is ensured. The positioning between the impeller coal feeder and the retaining curtain needs to be closely related, and the foundation for realizing automatic control is realized. At present, the difficult problems of the positioning reliability and the accuracy of an impeller coal feeder and a check curtain can not be solved all the time.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a positioning system for an impeller coal feeder and a retaining curtain, and the positioning system designed by the invention is designed aiming at the position change conditions of the impeller coal feeder and the retaining curtain, so that the problem that the positioning of the impeller coal feeder and the retaining curtain cannot be realized due to remote control is solved, the coal feeding efficiency of the impeller coal feeder is greatly improved, and the difficulty of field work of personnel is reduced.
In order to achieve the purpose of the invention, the invention adopts the technical scheme that:
a positioning system for a coal vane feeder and a curtain, comprising: a position reader-writer arranged on the stop curtain and an encoder of the impeller coal feeder;
the position reader-writer is connected with a position coding module, a transmitting module and a receiving module are arranged in the position reader-writer, the transmitting module sends out an inquiry signal, selects a position signal in an energy field, establishes a data communication link and carries out read-write operation on the position signal, the position coding module receives the signal sent by the position reader-writer, is activated after obtaining energy, starts to execute a command of the position reader-writer and sends returned response information to an antenna of the position reader-writer in a backscattering debugging mode, the antenna receives the signal and then transmits the signal to the built-in receiving module, the MCU module carries out data processing, an induction module is arranged in the reader-writer, the position reader-writer communicates with an upper computer by adopting a standard MODBUS protocol, the position coding module reads data and transmits the position data to the upper computer for processing, and one position of the multiple position coding module is protected by data, the data is compiled uniformly according to the requirements of users, so that the correct position of the current position coding module is prevented from being changed by abnormal position data;
the encoder includes: the photoelectric encoder comprises a photoelectric code disc with a central shaft and a photoelectric emitting and receiving device, wherein an annular through and dark scribed line is arranged on the photoelectric code disc, the position reader-writer detects the absolute position of an area, the encoder detects the point-to-point accumulated accurate position, and the photoelectric code disc and the encoder are combined through software to form complementation; the encoder can make up for the precision of the reader-writer, the reader-writer can also make up for the counting error of the encoder, and when the reader-writer is damaged, the encoder can independently count the current position.
Preferably, the position coding module is an independent coding position address, the detected position is an absolute position, the position data is not accumulated repeatedly, repeated verification is not needed, and no measurement error exists, and the position coding modules are on the same horizontal plane and at the same height.
Preferably, the effective range of the induction module is 0-30mm, and the corresponding effective induction distance is adjusted according to the field condition.
Preferably, the receiving device obtains four groups of sine wave signals to combine into A, B, C, D, each sine wave has a phase difference of 90 degrees, the A, B two phases have a phase difference of 90 degrees, and the front and back positions of the two phases of A, B are judged to judge the forward rotation and the reverse rotation of the encoder, and the zero reference position of the encoder is obtained through zero pulse.
Preferably, the accuracy of the encoder is directly related to the resolution, how many open and dark lines the encoder provides per 360 ° of rotation is called the resolution, per 5-10000 lines of rotation, and the position data is calculated in a point-to-point cumulative manner.
Preferably, when the curtain falls off, the reader-writer cannot receive the position signal because the position of the position positioning module on the curtain is abnormal, and the encoder counts the position normally, so that the positioning system can judge the fault of the curtain and send an alarm signal to be fed back to the upper computer; the encoder is arranged on a main shaft of the impeller coal feeder trolley, so that the encoder is synchronous with the trolley in rotation, when the impeller coal feeder trolley slips during walking, the impeller coal feeder trolley can rotate in situ, therefore, the counting position of the encoder generates errors, the reader-writer positioning modules are independent positions, the positioning position of the reader-writer cannot change as long as the impeller coal feeder body is not moved, and the impeller coal feeder positioning system can judge that the impeller coal feeder trolley slips due to the phenomenon.
The invention has the beneficial effects that:
(1) the position reader-writer in the positioning system of the impeller coal feeder detects the absolute position, so that the remote control does not influence the coal feeding due to the loss of the position of the impeller coal feeder;
(2) a special sensing module is arranged in the position reader-writer, the sensing range is wide, and the position is not easy to lose;
(3) the internal position data of the position reader-writer is complex and is not easily influenced by external abnormal position data, so that the accuracy of the current position is ensured;
(4) an encoder in the impeller coal feeder positioning system is accumulated and counted by the pulses of the photoelectric coded disc, so that the accuracy is high, and the detection position is more accurate;
(5) the absolute position of a detection area and the accurate position of point-to-point accumulation are detected, and the two are combined to form complementation, so that the accuracy of the position is improved;
(6) the reader-writer and the encoder in the positioning system of the impeller coal feeder can be used as a main device and a standby device, and when one of the reader-writer and the encoder is damaged, the position of the reader-writer and the encoder cannot be lost;
the whole positioning system completely achieves zero position error, the sensing range is wide, the position data safety is high, and the difficult problem of determining the positions of the impeller coal feeder and the stop curtain is thoroughly solved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a computer page diagram showing the reader/writer setting the corresponding parameters according to the needs of the field;
FIG. 3 is a computer page view of the present invention in which each position encoding module is an independent encoding position address parameter;
FIG. 4 is a diagram of an interface for data compilation by the position code module of the present invention;
FIG. 5 is a schematic structural diagram of the photoelectric encoder of the present invention;
FIG. 6 is a schematic view of a connection structure of the reader/writer and the encoder according to the present invention;
FIG. 7 is a computer page view of the cart position of the coal feeder wheel of the present invention.
Detailed Description
The following further describes embodiments of the present invention with reference to the accompanying drawings. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
In order to make the content of the present invention more clearly understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.
As shown in fig. 1 to 6, a positioning system for a coal feeder and a shutter includes: a position reader-writer arranged on the stop curtain and an encoder of the impeller coal feeder;
the position reader-writer is connected with a position coding module, a transmitting module and a receiving module are arranged in the position reader-writer, the transmitting module sends out an inquiry signal, selects a position signal in an energy field, establishes a data communication link and carries out read-write operation on the position signal, the position coding module receives the signal sent by the position reader-writer, is activated after obtaining energy, starts to execute a command of the position reader-writer and sends returned response information to an antenna of the position reader-writer in a backscattering debugging mode, the antenna receives the signal and then transmits the signal to the built-in receiving module, the MCU module carries out data processing, an induction module is arranged in the reader-writer, the position reader-writer communicates with an upper computer by adopting a standard MODBUS protocol, the position coding module reads data and transmits the position data to the upper computer for processing, and one position of the multiple position coding module is protected by data, the data is compiled uniformly according to the requirements of users, so that the correct position of the current position coding module is prevented from being changed by abnormal position data;
the encoder includes: the photoelectric encoder comprises a photoelectric code disc with a central shaft and a photoelectric emitting and receiving device, wherein an annular through and dark scribed line is arranged on the photoelectric code disc, the position reader-writer detects the absolute position of an area, the encoder detects the point-to-point accumulated accurate position, and the photoelectric code disc and the encoder are combined through software to form complementation; the encoder can make up for the precision of the reader-writer, the reader-writer can also make up for the counting error of the encoder, and when the reader-writer is damaged, the encoder can independently count the current position.
The position coding module is an independent coding position address, the detected position is an absolute position, position data are not accumulated repeatedly, repeated verification is not needed, and no measurement error exists, and the position coding module is on the same horizontal plane and at the same height. The effective range of the induction module is 0-30mm, and the corresponding effective induction distance is adjusted according to the field condition. The receiving device obtains four groups of sine wave signals to combine into A, B, C, D, each sine wave has a phase difference of 90 degrees, the two phases A, B have a phase difference of 90 degrees, the front and back positions of the two phases A, B are judged to judge the forward rotation and the reverse rotation of the encoder, and the zero position reference position of the encoder is obtained through zero position pulse. The precision of the encoder is directly related to the resolution, the number of open and dark lines provided by the encoder per 360 degrees of rotation is called the resolution, each rotation is divided by 5-10000 lines, and the position data is calculated in a point-to-point accumulation mode.
When the curtain falls off, the reader-writer cannot receive position signals because the position of the position positioning module on the curtain is abnormal, and the encoder counts the position normally, so that the positioning system can judge the fault of the curtain and send an alarm signal to be fed back to the upper computer; the encoder is arranged on a main shaft of the impeller coal feeder trolley, so that the encoder is synchronous with the trolley in rotation, when the impeller coal feeder trolley slips during walking, the impeller coal feeder trolley can rotate in situ, therefore, the counting position of the encoder generates errors, the reader-writer positioning modules are independent positions, the positioning position of the reader-writer cannot change as long as the impeller coal feeder body is not moved, and the impeller coal feeder positioning system can judge that the impeller coal feeder trolley slips due to the phenomenon.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (6)
1. The utility model provides a positioning system of impeller feeder and check curtain which characterized in that includes: a position reader-writer arranged on the stop curtain and an encoder of the impeller coal feeder;
the position reader-writer is connected with a position coding module, a transmitting module and a receiving module are arranged in the position reader-writer, the transmitting module sends out an inquiry signal, selects a position signal in an energy field, establishes a data communication link and carries out read-write operation on the position signal, the position coding module receives the signal sent by the position reader-writer, is activated after obtaining energy, starts to execute a command of the position reader-writer and sends returned response information to an antenna of the position reader-writer in a backscattering debugging mode, the antenna receives the signal and then transmits the signal to the built-in receiving module, the MCU module carries out data processing, an induction module is arranged in the reader-writer, the position reader-writer communicates with an upper computer by adopting a standard MODBUS protocol, the position coding module reads data and transmits the position data to the upper computer for processing, and one position of the multiple position coding module is protected by data, the data is compiled uniformly according to the requirements of users, so that the correct position of the current position coding module is prevented from being changed by abnormal position data;
the encoder includes: the photoelectric encoder comprises a photoelectric code disc with a central shaft and a photoelectric emitting and receiving device, wherein an annular through and dark scribed line is arranged on the photoelectric code disc, the position reader-writer detects the absolute position of an area, the encoder detects the point-to-point accumulated accurate position, and the photoelectric code disc and the encoder are combined through software to form complementation; the encoder can make up for the precision of the reader-writer, the reader-writer can also make up for the counting error of the encoder, and when the reader-writer is damaged, the encoder can independently count the current position.
2. The system of claim 1, wherein the positioning system comprises: the position coding module is an independent coding position address, the detected position is an absolute position, position data are not accumulated repeatedly, repeated verification is not needed, and no measurement error exists, and the position coding module is on the same horizontal plane and at the same height.
3. The system of claim 1, wherein the positioning system comprises: the effective range of the induction module is 0-30mm, and the corresponding effective induction distance is adjusted according to the field condition.
4. The system of claim 1, wherein the positioning system comprises: the receiving device obtains four groups of sine wave signals to combine into A, B, C, D, each sine wave has a phase difference of 90 degrees, the two phases A, B have a phase difference of 90 degrees, the front and back positions of the two phases A, B are judged to judge the forward rotation and the reverse rotation of the encoder, and the zero position reference position of the encoder is obtained through zero position pulse.
5. The system of claim 1, wherein the positioning system comprises: the precision of the encoder is directly related to the resolution, the number of open and dark lines provided by the encoder per 360 degrees of rotation is called the resolution, each rotation is divided by 5-10000 lines, and the position data is calculated in a point-to-point accumulation mode.
6. The system of claim 1, wherein the positioning system comprises: when the curtain falls off, the reader-writer cannot receive position signals because the position of the position positioning module on the curtain is abnormal, and the encoder counts the position normally, so that the positioning system can judge the fault of the curtain and send an alarm signal to be fed back to the upper computer; the encoder is arranged on a main shaft of the impeller coal feeder trolley, so that the encoder is synchronous with the trolley in rotation, when the impeller coal feeder trolley slips during walking, the impeller coal feeder trolley can rotate in situ, therefore, the counting position of the encoder generates errors, the reader-writer positioning modules are independent positions, the positioning position of the reader-writer cannot change as long as the impeller coal feeder body is not moved, and the impeller coal feeder positioning system can judge that the impeller coal feeder trolley slips due to the phenomenon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110685997.9A CN113353560A (en) | 2021-06-21 | 2021-06-21 | Positioning system of impeller coal feeder and check curtain |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110685997.9A CN113353560A (en) | 2021-06-21 | 2021-06-21 | Positioning system of impeller coal feeder and check curtain |
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| Publication Number | Publication Date |
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| CN113353560A true CN113353560A (en) | 2021-09-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110685997.9A Pending CN113353560A (en) | 2021-06-21 | 2021-06-21 | Positioning system of impeller coal feeder and check curtain |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114919958A (en) * | 2022-06-13 | 2022-08-19 | 滨州绿通热电有限公司 | Improved impeller coal feeder management control system based on big data |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2367914Y (en) * | 1998-09-29 | 2000-03-08 | 齐齐哈尔市江南机电有限公司 | Coal-baffle of coal-unloading chamber |
| CN205274552U (en) * | 2015-09-22 | 2016-06-01 | 南京化学工业园热电有限公司 | Impeller feeder remote control device |
| CN207932658U (en) * | 2018-03-01 | 2018-10-02 | 沈阳奎昊电力机械制造有限公司 | A kind of paddle coal feeder monitoring device based on wireless communication technique |
| CN112357487A (en) * | 2020-11-11 | 2021-02-12 | 鄂尔多斯应用技术学院 | Coil conveying trolley comprehensively using laser range finder and encoder |
-
2021
- 2021-06-21 CN CN202110685997.9A patent/CN113353560A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2367914Y (en) * | 1998-09-29 | 2000-03-08 | 齐齐哈尔市江南机电有限公司 | Coal-baffle of coal-unloading chamber |
| CN205274552U (en) * | 2015-09-22 | 2016-06-01 | 南京化学工业园热电有限公司 | Impeller feeder remote control device |
| CN207932658U (en) * | 2018-03-01 | 2018-10-02 | 沈阳奎昊电力机械制造有限公司 | A kind of paddle coal feeder monitoring device based on wireless communication technique |
| CN112357487A (en) * | 2020-11-11 | 2021-02-12 | 鄂尔多斯应用技术学院 | Coil conveying trolley comprehensively using laser range finder and encoder |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114919958A (en) * | 2022-06-13 | 2022-08-19 | 滨州绿通热电有限公司 | Improved impeller coal feeder management control system based on big data |
| CN114919958B (en) * | 2022-06-13 | 2024-01-26 | 滨州绿通热电有限公司 | Improved impeller coal feeder management control system based on big data |
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