CN113117416A - High-precision positioning control method of filter cloth cleaning system - Google Patents
High-precision positioning control method of filter cloth cleaning system Download PDFInfo
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- CN113117416A CN113117416A CN202110555171.0A CN202110555171A CN113117416A CN 113117416 A CN113117416 A CN 113117416A CN 202110555171 A CN202110555171 A CN 202110555171A CN 113117416 A CN113117416 A CN 113117416A
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- 238000004140 cleaning Methods 0.000 title claims abstract description 54
- 239000004744 fabric Substances 0.000 title claims abstract description 48
- 238000000034 method Methods 0.000 title claims abstract description 32
- 230000007246 mechanism Effects 0.000 claims abstract description 26
- 230000008569 process Effects 0.000 claims abstract description 14
- 230000005540 biological transmission Effects 0.000 claims abstract description 8
- 231100000136 action limit Toxicity 0.000 claims abstract description 5
- 230000033001 locomotion Effects 0.000 claims abstract description 5
- 230000009471 action Effects 0.000 claims description 13
- 230000001174 ascending effect Effects 0.000 claims description 8
- 230000001960 triggered effect Effects 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims description 3
- 230000002159 abnormal effect Effects 0.000 claims description 2
- 230000005856 abnormality Effects 0.000 claims description 2
- 230000006378 damage Effects 0.000 description 6
- 208000027418 Wounds and injury Diseases 0.000 description 3
- 230000003111 delayed effect Effects 0.000 description 3
- 208000014674 injury Diseases 0.000 description 3
- 230000004044 response Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D37/00—Processes of filtration
- B01D37/04—Controlling the filtration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/14—Safety devices specially adapted for filtration; Devices for indicating clogging
- B01D35/143—Filter condition indicators
- B01D35/1435—Filter condition indicators with alarm means
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Control Of Position Or Direction (AREA)
Abstract
The invention relates to the technical field of lifting systems with filter cloth cleaning functions, and discloses a high-precision positioning control method of a filter cloth cleaning system, which comprises the following steps: s1, the original driving element and control element of the filter cloth cleaning lifting device are removed, S2, a servo motor, a servo driver, a brake resistor, an encoder cable, a servo main power cable and a servo driver connector are installed in the filter, S3, the servo motor is provided with a rotary encoder to realize accurate positioning of the position, S4, a torque mode and a position mode are controlled in the motion process of the servo motor, and under S5 and the torque mode, torque parameters can be directly adjusted through panel operation or a bus mode, the upper torque and the lower torque are set within the structural strength range of the mechanism, so that the transmission mechanism is prevented from being damaged and stopped, the action limit point and the lowest point of the filter cloth cleaning valve are realized through parameter setting, and the design of a mechanical structure is greatly saved.
Description
Technical Field
The invention relates to the technical field of lifting systems with filter cloth cleaning functions, in particular to a high-precision positioning control method of a filter cloth cleaning system.
Background
The filter pressing filter cloth cleaning function mechanism generally adopts a structure of common motor drive, cloth belt execution, common motor drive and chain transmission; the speed and the moment are not adjustable in the movement process by using the two control modes, and when the control method is applied to the occasions where the environment cannot be used, the operation speed and the moment required by actual execution cannot be adjusted according to the field use working condition. When the cleaning mechanism touches a mechanical hard limit in the descending or ascending process, protective torque alarm cannot be triggered, and only the motor is started to be protected to pass through an overheating overcurrent brake in the mode that the motor blocks the overcurrent to stop acting;
however, the rough over-current protection mode may cause damage to the mechanical structure of the filter cloth cleaning mechanism due to inaccurate control precision and delayed response speed, and thus the damage may be changed into an equipment accident to cause property loss and personal injury.
The high-precision positioning control mode is adopted, and the servo motor and the driver are used to avoid the above events in a closed-loop mode with high precision, high performance and high stability.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a high-precision positioning control method of a filter cloth cleaning system, which has the advantages of high-precision positioning and the like and is used for solving the problem that in the prior art, the control precision is inaccurate, the response speed is delayed, the mechanical structure of a filter cloth cleaning mechanism is damaged, and property loss and personal injury are caused by equipment accidents.
(II) technical scheme
The invention provides the following technical scheme: a high-precision positioning control method of a filter cloth cleaning system comprises the following steps:
and S1, removing the original driving element and control element of the filter cloth cleaning and lifting device.
S2, installing the servo motor, the servo driver, the brake resistor, the encoder cable, the servo main power cable and the servo driver connector in the filter.
S3, the servo motor is provided with a rotary encoder to realize accurate positioning of the position.
And S4, controlling the torque mode and the position mode in the motion process of the servo motor.
And S5, in the torque mode, the torque parameters can be directly adjusted through panel operation or a bus mode.
S6, when the filter cloth cleaning system descends under the action of small torque, the transmission mechanism cannot be damaged even if the filter cloth cleaning system is pushed to the top of the filter plate, and an alarm is triggered when torque abnormality is detected in the driver.
S7, when the filter cloth cleaning system exceeds the soft limit overtravel in the ascending process, the mechanical device can trigger the moment alarm when the ascending moment changes abnormally.
S8, setting up the upper and lower moments within the structural strength range of the mechanism, so that the transmission mechanism is prevented from being damaged and stopped.
And S9, in the position mode, increasing the rotary coding function can realize accurate positioning of the position.
S10, when the cleaning device descends from the original state, the stroke is automatically memorized, and the action limit point and the lowest descending point of the filter cloth cleaning valve are realized through parameter setting, so that the design of a mechanical structure is greatly saved; meanwhile, the position mode can realize the overtravel alarm function of descending action.
S11, the moment mode and the position mode can be combined and converted in the filter cloth cleaning and descending process, and the brake action can be controlled more effectively, so that the mechanism is more stable in operation.
In a possible embodiment, the filter cloth cleaning mechanism in S6 has a low torque of 100N to 200N.
In one possible embodiment, the torque variation anomaly is > 200N.
In one possible embodiment, detection of a torque anomaly within the drive triggers an alarm shutdown.
In one possible implementation, the setting of the up and down moments in S8 is within the structural strength range of 100N-200N.
In one possible embodiment, the position mode and the torque mode in S9 may be switched at will.
In a possible implementation manner, the whole set of high-precision positioning control mode concrete hardware comprises a servo motor, a servo driver, a brake resistor, an encoder cable, a servo main power cable and a servo driver connector.
Compared with the prior art, the invention provides a high-precision positioning control method of a filter cloth cleaning system, which has the following beneficial effects:
1. the setting of upper and lower moment all is in the mechanism structure intensity scope, just so guaranteed that drive mechanism can not damaged and shut down, realize filter cloth cleaning valve action limit point and minimum point of decline through parameter setting, mechanical structure's design has been saved greatly, the overtravel alarming function of descending action can be realized to the position mode simultaneously, can realize moment mode and position mode combination conversion simultaneously more effectively control the action of braking band-type brake in filter cloth washs the descending process, it is more steady in the middle of the operation of mechanism, avoided because control accuracy's inaccuracy, the response speed lags and causes the damage of filter cloth cleaning mechanism mechanical structure thereby the rehearsal becomes the equipment accident and causes property loss bodily injury.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention, as claimed.
Drawings
FIG. 1 is a schematic diagram of a working mode position state of a high-precision positioning control method of a filter cloth cleaning system provided by the invention;
fig. 2 is a schematic diagram of a servo motor control point DI of a high-precision positioning control method of the filter cloth cleaning system provided by the invention.
Detailed Description
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, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
As shown in fig. 1-2, the present invention provides a high-precision positioning control method for a filter cloth cleaning system:
and S1, removing the original driving element and control element of the filter cloth cleaning and lifting device.
S2, installing the servo motor, the servo driver, the brake resistor, the encoder cable, the servo main power cable and the servo driver connector in the filter.
S3, the servo motor is provided with a rotary encoder to realize accurate positioning of the position.
And S4, controlling the torque mode and the position mode in the motion process of the servo motor.
And S5, in the torque mode, the torque parameters can be directly adjusted through panel operation or a bus mode.
S6, when the filter cloth cleaning system descends under the torque of 100N-200N, the transmission mechanism is not damaged even if the filter cloth cleaning system is pushed to the top of the filter plate, and an alarm is triggered when abnormal torque is detected in the driver.
S7, the filter cloth cleaning system exceeds the soft limit overtravel in the ascending process, and the mechanical device triggers torque alarm when the ascending torque changes to 201N-300N.
S8, setting the up and down moments within 100N-200N, so that the transmission mechanism is prevented from being damaged and stopped.
And S9, in the position mode, increasing the rotary coding function can realize accurate positioning of the position.
S10, when the cleaning device descends from the original state, the stroke is automatically memorized, and the action limit point and the lowest descending point of the filter cloth cleaning valve are realized through parameter setting, so that the design of a mechanical structure is greatly saved; meanwhile, the position mode can realize the overtravel alarm function of descending action.
S11, the moment mode and the position mode can be combined and converted in the filter cloth cleaning and descending process, and the brake action can be controlled more effectively, so that the mechanism is more stable in operation.
The first embodiment is as follows:
position 0 → position 1: moment mode
Setting a DI5 functional position, operating to a position 1 in a torque mode, setting DI6 after receiving valve control limit when reaching the position 1, and switching to a position mode; the height parameter at position 1 can be accomplished by a servo drive parameter control panel, which is a soft limit. Namely, the descending filter plate is jacked to the moment and the moment is automatically set off to alarm.
Example two:
At this time, the functional bits of DI5 and DI6 are still set, DI3 is set first and delayed, DI4 is set after the delay time, the wash rack moves to position 2 in the position mode, and DI3 and DI4 are reset after the positioning completion signal is received after the wash rack reaches position 2. When the action is performed, the cleaning mechanism extends into the filter plate, torque detection is not needed, and the cleaning mechanism only operates to the lower limit at a stable speed.
Example three:
position 2 → position 1: position mode
At this time, DI5, DI6 still keep setting, DI4 is set, the wash rack runs to position 1 in the position mode, DI4 resets after receiving the positioning completion signal after reaching position 1; the action executes the speed function, and the next mode is stopped when the action reaches the set soft limit.
Example four:
At the moment, DI5 and DI6 are still set, DI7 is set, the cleaning rack rises to the cleaning rack rising limit in a zero returning mode, and DI7 is reset after a zero returning completion signal is received after zero returning is successful; and in the torque mode ascending process, when exceeding the limit, the torque alarm can be triggered.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Claims (7)
1. A high-precision positioning control method of a filter cloth cleaning system comprises the following steps:
and S1, removing the original driving element and control element of the filter cloth cleaning and lifting device.
S2, installing the servo motor, the servo driver, the brake resistor, the encoder cable, the servo main power cable and the servo driver connector in the filter.
S3, the servo motor is provided with a rotary encoder to realize accurate positioning of the position.
And S4, controlling the torque mode and the position mode in the motion process of the servo motor.
And S5, in the torque mode, the torque parameters can be directly adjusted through panel operation or a bus mode.
S6, when the filter cloth cleaning system descends under the action of small torque, the transmission mechanism cannot be damaged even if the filter cloth cleaning system is pushed to the top of the filter plate, and an alarm is triggered when torque abnormality is detected in the driver.
S7, when the filter cloth cleaning system exceeds the soft limit overtravel in the ascending process, the mechanical device can trigger the moment alarm when the ascending moment changes abnormally.
S8, setting up the upper and lower moments within the structural strength range of the mechanism, so that the transmission mechanism is prevented from being damaged and stopped.
And S9, in the position mode, increasing the rotary coding function can realize accurate positioning of the position.
S10, when the cleaning device descends from the original state, the stroke is automatically memorized, and the action limit point and the lowest descending point of the filter cloth cleaning valve are realized through parameter setting, so that the design of a mechanical structure is greatly saved; meanwhile, the position mode can realize the overtravel alarm function of descending action.
S11, the moment mode and the position mode can be combined and converted in the filter cloth cleaning and descending process, and the brake action can be controlled more effectively, so that the mechanism is more stable in operation.
2. A high-precision positioning control method for a filter cloth cleaning system according to claim 1, characterized in that: and the small moment of the filter cloth cleaning mechanism in the S6 is 100N-200N.
3. A high-precision positioning control method for a filter cloth cleaning system according to claim 1, characterized in that: the moment variation abnormity is 201N-300N.
4. A high-precision positioning control method for a filter cloth cleaning system according to claim 1, characterized in that: the detection of abnormal torque inside the driver can trigger alarm shutdown.
5. A high-precision positioning control method for a filter cloth cleaning system according to claim 1, characterized in that: the setting of the upper and lower moments in the S8 is within the mechanism structure strength range of 100N-200N.
6. A high-precision positioning control method for a filter cloth cleaning system according to claim 1, characterized in that: the position mode and the torque mode in S9 can be switched as desired.
7. A high-precision positioning control method for a filter cloth cleaning system according to claim 1, characterized in that: the whole set of hardware of the high-precision positioning control mode comprises a servo motor, a servo driver, a brake resistor, an encoder cable, a servo main power cable and a servo driver connector.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110555171.0A CN113117416A (en) | 2021-05-21 | 2021-05-21 | High-precision positioning control method of filter cloth cleaning system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110555171.0A CN113117416A (en) | 2021-05-21 | 2021-05-21 | High-precision positioning control method of filter cloth cleaning system |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101708398A (en) * | 2009-12-21 | 2010-05-19 | 杭州兴源过滤科技股份有限公司 | Method for controlling silicon filtering and recycling system |
| CN104128023A (en) * | 2014-07-29 | 2014-11-05 | 衡水海江压滤机集团有限公司 | Filter press plate-pulling machine and control method of plate-pulling machine |
| CN211935745U (en) * | 2019-02-25 | 2020-11-17 | 浙江杰为凯环保科技有限公司 | Pressure filter washing vehicle with high-stability lifting function |
-
2021
- 2021-05-21 CN CN202110555171.0A patent/CN113117416A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101708398A (en) * | 2009-12-21 | 2010-05-19 | 杭州兴源过滤科技股份有限公司 | Method for controlling silicon filtering and recycling system |
| CN104128023A (en) * | 2014-07-29 | 2014-11-05 | 衡水海江压滤机集团有限公司 | Filter press plate-pulling machine and control method of plate-pulling machine |
| CN211935745U (en) * | 2019-02-25 | 2020-11-17 | 浙江杰为凯环保科技有限公司 | Pressure filter washing vehicle with high-stability lifting function |
Non-Patent Citations (3)
| Title |
|---|
| 叶伯生主编: "《数控原理及系统》", 30 April 2004, 中国劳动社会保障出版社 * |
| 战崇玉，杨红霞主编: "《自动化生产线安装与调试》", 31 December 2018, 华中科技大学出版社 * |
| 顾德英，罗云林，马淑华编著: "《计算机控制技术》", 30 June 2020, 北京邮电大学出版社 * |
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Application publication date: 20210716 |