CN103660036A - Feeding control method and device for dry-mixed mortar production line and feeding system - Google Patents
Feeding control method and device for dry-mixed mortar production line and feeding system Download PDFInfo
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- CN103660036A CN103660036A CN201310667373.XA CN201310667373A CN103660036A CN 103660036 A CN103660036 A CN 103660036A CN 201310667373 A CN201310667373 A CN 201310667373A CN 103660036 A CN103660036 A CN 103660036A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C7/00—Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
- B28C7/02—Controlling the operation of the mixing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C7/00—Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
- B28C7/04—Supplying or proportioning the ingredients
- B28C7/06—Supplying the solid ingredients, e.g. by means of endless conveyors or jigging conveyors
Abstract
The invention provides a feeding control method and a feeding control device for a dry-mixed mortar production line and a feeding system. The feeding control method comprises the steps of acquiring a material weight signal; acquiring a vibration interference signal; filtering the material weight signal according to the vibration interference signal to obtain an actual material weight; controlling a material discharging speed according to the change of the actual material weight to control an actual material discharging amount. According to the feeding control method, the feeding control device and the feeding system, one or multiple vibration interference signals received by the dry-mixed mortar production line are acquired; for example, the vibration interference signals can be detected by a metering hopper, and the actually acquired material weight signal is filtered through the vibration interference signals, so that the difficulty of a large metering error, which is caused by the vibration interference produced by a vibration sieve and a mixing machine, of metering equipment in a steel structured building of the dry-mixed mortar production line can be well solved; a requirement on high-precision metering of trace additives is met.
Description
Technical field
The present invention relates to weight metering field, more specifically, relate to a kind of control method that feeds intake, device and feeding system of dry-mixed mortar production line.
Background technology
At present, the trace mineral supplement of most domestic dry-mixed mortar production line (mainly referring to that the specialist additive of use amount between 300～5000g is as cellulose ether, rubber powder etc.) is all to adopt artificial pre-weighing and Manual material feeding mode.As shown in Figure 1, during Manual material feeding, need to all need by manually opening the lid of aggregate bin 20 in each mixing cycle, after the good parcel additive of the interior input pre-weighing of mixer 21, then by the cover closing of aggregate bin 20.Yet, shown in Fig. 1 in the situation that, must be equipped with fixed personnel and carry out pre-weighing and feed intake.General mixer is about 3min default mixing cycle, and Manual material feeding frequency is about 20 times/h, so hand labor intensity is larger, and also can follow and occur dust pollution in the process of feeding intake, harmful health and contaminated environment.
Fig. 2 is the additive automatic gauge feeding system 22 configuring in certain external dry-mixed mortar production line.This system adopts stack metering method, and structure is comparatively complicated, and the integrated artistic of equipment requires high, and cost is very expensive, and the sensitivity of sensor is up to 1/12000, and its price is the more than ten times of common sensor; It is high that this metering system is controlled components and parts requirement to sensor and butterfly valve etc., and this equipment is applicable to the additive measures range below 70kg, and its metering minimum resolution can reach 5g.Yet there is following shortcoming in this system: (1) is expensive, the trace mineral supplement for use amount in 300～5000g scope, its measuring accuracy does not possess good advantage yet; (2) the existing vibratory sieve of the steel construction of dry-mixed mortar production line, has again the equipment that the vibration interference such as mixer are very large, to the sensor signal of high-precision measuring system, can cause larger interference.
Summary of the invention
The present invention aims to provide and a kind ofly throws in that precision is high, the control method that feeds intake, device and the feeding system of the dry-mixed mortar production line that can anti-vibration disturbs.
For solving the problems of the technologies described above, according to a first aspect of the invention, provide a kind of control method that feeds intake of dry-mixed mortar production line, comprising: obtain weight of material signal; Obtain vibration interference signal; According to vibration interference signal, weight of material signal is carried out to filtering to obtain actual weight of material; According to the variation of actual weight of material, control discharging speed to control actual load.
Further, according to vibration interference signal, weight of material signal being carried out to filtering comprises to obtain actual weight of material: according to the filtering algorithm of searching in vibration interference signal is in pre-stored wave filter thesaurus with the waveform characteristic matching of vibration interference signal; Utilize filtering algorithm to carry out filtering to obtain actual weight of material to weight of material signal.
Further, store in advance multiple filtering algorithm in wave filter thesaurus, multiple filtering algorithm is corresponding to any combination of various sources and/or various sources.
Further, according to the variation of actual weight of material, controlling discharging speed comprises: control weighing hopper with First Speed discharging; Obtain actual load; Calculate the difference of actual load and predetermined load; In the situation that difference is less than or equal to the first setting value, control weighing hopper to be less than the second speed discharging of First Speed, until actual load equals predetermined load.
Further, after controlling discharging speed before obtaining weight of material signal or according to the variation of actual weight of material, also comprise: in the situation that the corresponding weight of weight of material signal is less than or equal to predetermined feed supplement weight, to weighing hopper feed supplement, until the actual weight of material in weighing hopper reaches the second predetermined value.
Further, control method also comprises: obtain the noise under specific environment; Extract the characteristic of noise; Characteristic is kept in noise storehouse; Set up characteristic in noise storehouse and the mapping relations between the various filtering algorithms in wave filter thesaurus.
According to a second aspect of the invention, provide a kind of feeding control device of dry-mixed mortar production line, having comprised: weight signal acquisition module, for obtaining weight of material signal; Interfering signal acquisition module, for obtaining vibration interference signal; Actual weight computing module, for carrying out filtering to obtain actual weight of material according to vibration interference signal to weight of material signal; Discharging speed control module, for controlling discharging speed to control actual load according to the variation of actual weight of material.
Further, filtering computing module comprises: filtering algorithm acquisition module, for searching the filtering algorithm with the waveform characteristic matching of vibration interference signal according to vibration interference signal at pre-stored wave filter thesaurus; Computing module, for utilizing filtering algorithm to carry out filtering to obtain actual weight of material to weight of material signal.
Further, store in advance multiple filtering algorithm in wave filter thesaurus, multiple filtering algorithm is corresponding to any combination of various sources and/or various sources.
Further, discharging speed control module comprises: the first control module, for controlling weighing hopper with First Speed discharging; Load acquisition module, for obtaining actual load; Difference calculating module, for calculating the difference of actual load and predetermined load; The second control module, in the situation that difference is less than or equal to the first setting value, controls weighing hopper to be less than the second speed discharging of First Speed, until actual load equals predetermined load.
Further, feeding control device also comprises: control of additive raw material module, and in the situation that the corresponding weight of weight of material signal is less than or equal to predetermined feed supplement weight, to weighing hopper feed supplement, until the actual weight of material in weighing hopper reaches the second predetermined value.
According to a third aspect of the present invention, provide a kind of feeding system of dry-mixed mortar production line, having comprised: weighing hopper; Drawing mechanism, the corresponding setting of outlet of its entrance and weighing hopper; First sensor, for gathering weight of material signal; The second sensor, for detection of vibration interference signal; Controller, is connected with the second sensor with first sensor, for according to vibration interference signal, weight of material signal being carried out to filtering to obtain weight of material, and controls drawing mechanism according to weight of material.
Further, controller is searched the filtering algorithm with the waveform characteristic matching of vibration interference signal in pre-stored wave filter thesaurus according to vibration interference signal, and utilizes filtering algorithm to carry out filtering to obtain weight of material to weight of material signal.
Further, store in advance multiple filtering algorithm in wave filter thesaurus, multiple filtering algorithm is corresponding to any combination of various sources and/or various sources.
The present invention gathers one or more vibration interference signals that dry-mixed mortar production line is subject to, for example, this vibration interference signal can be to come from the detection of weighing hopper to obtain, and utilize this vibration interference signal to actual acquisition to weight of material signal carry out filtering, thereby can be fine
groundsolve measuring equipment in the steel construction building of dry-mixed mortar production line because of the larger difficult problem of error in dipping that the vibration interference of the generations such as vibratory sieve and mixer causes, meet the requirement of trace mineral supplement high-precision measuring.
Accompanying drawing explanation
The accompanying drawing that forms the application's a part is used to provide a further understanding of the present invention, and schematic description and description of the present invention is used for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 has schematically shown dry-mixed mortar production line Manual material feeding device of the prior art;
Fig. 2 has schematically shown certain state's external additive metering system schematic diagram of the prior art;
Fig. 3 has schematically shown the flow chart of the control method that feeds intake of the dry-mixed mortar production line in the present invention;
Fig. 4 has schematically shown the module map of the feeding control device of the dry-mixed mortar production line in the present invention;
Fig. 5 has schematically shown the front view of the dry-mixed mortar production line in the present invention;
Fig. 6 has schematically shown the top view of Fig. 5;
Fig. 7 has schematically shown the partial enlarged drawing of the second sensor;
Fig. 8 has schematically shown the internal structure schematic diagram of conveying worm; And
Fig. 9 has schematically shown the electric control theory figure of the feeding system of the dry-mixed mortar production line in the present invention.
Reference numeral in figure: 1, weighing hopper; 2, drawing mechanism; 3, first sensor; 4, the second sensor; 5, controller; 6, reductor; 7, motor; 9, paddle; 10, frequency converter; 11, host computer; 12, storage bin; 13, valving; 14, horizon adjustable bearing; 15, weighting platform base; 16, blow vent; 17, charging aperture; 18, cover plate; 19, bucket body; 20, aggregate bin; 21, mixer; 22, additive automatic gauge feeding system.
The specific embodiment
Below embodiments of the invention are elaborated, but the multitude of different ways that the present invention can be defined by the claims and cover is implemented.
As a first aspect of the present invention, please refer to Fig. 3, a kind of control method that feeds intake of dry-mixed mortar production line is provided, comprising: obtain weight of material signal; Obtain vibration interference signal; According to vibration interference signal, weight of material signal is carried out to filtering to obtain actual weight of material; According to the variation of actual weight of material, control discharging speed to control actual load.
The present invention gathers one or more vibration interference signals that dry-mixed mortar production line is subject to, for example, this vibration interference signal can be to come from the detection of weighing hopper to obtain, and utilize this vibration interference signal to actual acquisition to weight of material signal carry out filtering, thereby can be fine solve measuring equipment in the steel construction building of dry-mixed mortar production line because of the larger difficult problem of error in dipping that the vibration interference of the generations such as vibratory sieve and mixer causes, meet the requirement of trace mineral supplement high-precision measuring.
The present invention is adapted to the active damping formula occasion of trace mineral supplement high-precision measuring demand in dry-mixed mortar production line completely, can be used for the automatic gauge of trace mineral supplement and feeds intake.Further, the present invention also has simple, lower-cost feature, is easy to realize Automatic Control, and has been successfully applied in domestic some dry-mixed mortar production line.
Preferably, according to vibration interference signal, weight of material signal being carried out to filtering comprises to obtain actual weight of material: according to vibration interference signal, in pre-stored wave filter thesaurus, search the filtering algorithm with the waveform characteristic matching of vibration interference signal; Utilize filtering algorithm to carry out filtering to obtain actual weight of material to weight of material signal.Preferably, store in advance multiple filtering algorithm in wave filter thesaurus, multiple filtering algorithm is corresponding to any combination of various sources and/or various sources.For example, weighing hopper may be subject to the vibration interference signal of its a plurality of noise sources around, for example, and stirring host, vibrating motor and vibratory sieve etc.At a time, can be subject to the effect of wherein one or more noise sources.
The present invention can pre-stored each possible noise source vibration interference signal, or the signal after the stack of the vibration interference signal of possible a plurality of noise sources, and proposed corresponding filtering algorithm for every kind of dissimilar noise source.These filtering algorithms are pre-stored in wave filter thesaurus.After suffered vibration interference signal of a certain moment being detected, can analyze these vibration interference signals, such as carrying out frequency-domain analysis etc., then in wave filter thesaurus, find the filtering algorithm matching with its wave character.Like this, just can utilize filtering algorithm for different noise sources by the noise filtering in weight of material signal, obtain precision weight of material more accurately.
By the mode of waveform characteristic matching, the noise that can promptly find for example, various vibration sources under same environment (dry-mixed mortar production line is fixedly mounted in a certain definite position conventionally) to produce, and exactly by its filtering.
Especially, this control method also comprises: obtain the noise under specific environment; Extract the characteristic of noise; Characteristic is kept in noise storehouse; Set up characteristic in noise storehouse and the mapping relations between the various filtering algorithms in wave filter thesaurus.In the middle of use procedure, when the noise in environment changes, can extract the characteristic of new noise, and new characteristic is kept in noise storehouse, thereby can in noise storehouse, automatically deposit various noise characteristic data in.Meanwhile, the filtering algorithm these characteristics being matched with it, be stored in wave filter thesaurus is set up mapping relations, has improved the computational efficiency of system in later stage use procedure, makes system have fast response time, and signal is processed the high advantage of real-time.
For example, when the vibration performance of noise source changes, for example, there is new noise source to add, or there is the combination of not yet considering in the past in existing noise source, or noise source is used after a period of time the vibration characteristics variation of himself etc., method in the present invention can also record and preserve the feature of these new vibration interference signals automatically, and can be for the feature of these new vibration interference signals and the relation between actual weight of material, mapping relations between vibration interference signal and filtering algorithm are revised, so that the present invention has certain self study, adaptive ability.
Preferably, according to the variation of actual weight of material, controlling discharging speed comprises: control weighing hopper with First Speed discharging; Obtain actual load; Calculate the difference of actual load and predetermined load; In the situation that difference is less than or equal to the first setting value, control weighing hopper to be less than the second speed discharging of First Speed, until actual load equals predetermined load.Also just say, the process of whole discharging is divided into two stages, and first stage is thick metering phase, and second is smart metering phase.In thick metering phase, with higher First Speed discharging, until actual load while equaling predetermined load (for example, reach predetermined load 99% time), automatically switch to smart metering phase.In smart metering phase, discharging speed (delivery rate) is slower, therefore, can approach better predetermined load.When the weight reducing just equals predetermined load, stop discharging.
Preferably, after controlling discharging speed before obtaining weight of material signal or according to the variation of actual weight of material, also comprise: in the situation that the corresponding weight of weight of material signal is less than or equal to predetermined feed supplement weight, to weighing hopper feed supplement, until the actual weight of material in weighing hopper reaches the second predetermined value.After completing single metering, whether sufficiently just need to detect the interior remaining inventory of weighing hopper, if inadequate, so could be to weighing hopper feed supplement, so that the material in it reaches the second predetermined value.
As a second aspect of the present invention, please refer to Fig. 4, a kind of feeding control device of dry-mixed mortar production line is provided, comprising: weight signal acquisition module, for obtaining weight of material signal; Interfering signal acquisition module, for obtaining vibration interference signal; Actual weight computing module, for carrying out filtering to obtain actual weight of material according to vibration interference signal to weight of material signal; Discharging speed control module, for controlling discharging speed to control actual load according to the variation of actual weight of material.
Weight signal acquisition module in the present invention obtains the weight of the leftover materials in weighing hopper, interfering signal acquisition module gathers one or more vibration interference signals that dry-mixed mortar production line is subject to, for example, this vibration interference signal can be to come from the detection of weighing hopper to obtain.Further, actual weight computing module utilize this vibration interference signal to actual acquisition to weight of material signal carry out filtering, thereby can be fine solve the larger difficult problem of error in dipping that measuring equipment in the steel construction building of dry-mixed mortar production line causes because of the vibration interference of the generations such as vibratory sieve and mixer, like this, discharging speed control module just can be controlled output speed according to the variation of actual weight of material, thereby reach the object of accurately controlling actual load, met the requirement of trace mineral supplement high-precision measuring.
The present invention is adapted to the active damping formula occasion of trace mineral supplement high-precision measuring demand in dry-mixed mortar production line completely, can be used for the automatic gauge of trace mineral supplement and feeds intake.Further, the present invention also has simple, lower-cost feature, is easy to realize Automatic Control, and has been successfully applied in domestic some dry-mixed mortar production line.
Preferably, filtering computing module comprises: filtering algorithm acquisition module, for searching the filtering algorithm with the waveform characteristic matching of vibration interference signal according to vibration interference signal at pre-stored wave filter thesaurus; Computing module, for utilizing filtering algorithm to carry out filtering to obtain actual weight of material to weight of material signal.By the mode of waveform characteristic matching, the noise that can promptly find for example, various vibration sources under same environment (dry-mixed mortar production line is fixedly mounted in a certain definite position conventionally) to produce, and exactly by its filtering.
Preferably, store in advance multiple filtering algorithm in wave filter thesaurus, multiple filtering algorithm is corresponding to any combination of various sources and/or various sources.
Preferably, discharging speed control module comprises: the first control module, for controlling weighing hopper with First Speed discharging; Load acquisition module, for obtaining actual load; Difference calculating module, for calculating the difference of actual load and predetermined load; The second control module, in the situation that difference is less than or equal to the first setting value, controls weighing hopper to be less than the second speed discharging of First Speed, until actual load equals predetermined load.
Preferably, feeding control device also comprises: control of additive raw material module, and in the situation that the corresponding weight of weight of material signal is less than or equal to predetermined feed supplement weight, to weighing hopper feed supplement, until the actual weight of material in weighing hopper reaches the second predetermined value.
As a third aspect of the present invention, please refer to Fig. 5 to Fig. 9, a kind of feeding system of dry-mixed mortar production line is provided, comprising: weighing hopper 1; Drawing mechanism 2, the corresponding setting of outlet of its entrance and weighing hopper 1; First sensor 3, for gathering weight of material signal; The second sensor 4, for detection of vibration interference signal; Controller 5, is connected with the second sensor 4 with first sensor 3, for according to vibration interference signal, weight of material signal being carried out to filtering to obtain weight of material (actual weight of material), and controls drawing mechanism 2 according to weight of material.For example, controller 5 can adopt single-chip microcomputer and/or PLC controller to realize.In one embodiment, controller 5 is for example, by single-chip microcomputer (arm processor) and PLC, to be combined the system of formation, wherein, PLC is for realizing the control to drawing mechanism 2, single-chip microcomputer is for carrying out filtering to obtain weight of material according to vibration interference signal to weight of material signal, and generate the control instruction to drawing mechanism 2 according to the variation of weight of material, and this control instruction is sent to PLC, then by PLC, according to this control instruction, controlled the motion of drawing mechanism 2.
Wherein, first sensor 3 obtains the weight of the leftover materials in weighing hopper, and the second sensor 4 gathers one or more vibration interference signals that dry-mixed mortar production line is subject to, and for example, this vibration interference signal can be to come from the detection of weighing hopper to obtain.Further, controller 5 utilize this vibration interference signal to actual acquisition to weight of material signal carry out filtering, thereby can be fine solve the larger difficult problem of error in dipping that measuring equipment in the steel construction building of dry-mixed mortar production line causes because of the vibration interference of the generations such as vibratory sieve and mixer, like this, just can control output speed according to the variation of actual weight of material, thereby reach the object of accurately controlling actual load, met the requirement of trace mineral supplement high-precision measuring.The present invention is adapted to the active damping formula occasion of trace mineral supplement high-precision measuring demand in dry-mixed mortar production line completely, can be used for the automatic gauge of trace mineral supplement and feeds intake.Further, the present invention also has simple, lower-cost feature, is easy to realize Automatic Control, and has been successfully applied in domestic some dry-mixed mortar production line.
Especially, the signal that utilizes the second sensor 4 to collect, can eliminate horizontal and vertical vibration interference.
Preferably, controller 5 is searched the filtering algorithm with the waveform characteristic matching of vibration interference signal in pre-stored wave filter thesaurus according to vibration interference signal, and utilizes filtering algorithm to carry out filtering to obtain weight of material to weight of material signal.Preferably, store in advance multiple filtering algorithm in wave filter thesaurus, multiple filtering algorithm is corresponding to any combination of various sources or various sources.
Preferably, drawing mechanism 2 can be for conveying worm etc., and it is connected with motor 7 by reductor 6, and when the rotation speed change of motor 7, the rotating speed of conveying worm changes thereupon, thereby can regulate discharging speed.Especially, be provided with paddle 9 in weighing hopper 1, the output shaft of reductor 6 can be controlled the rotation of conveying worm and paddle 9, to control discharging speed.In a preferred embodiment, feeding system also comprises frequency converter 10, is connected, for regulating the rotating speed of motor 7, to regulate the discharging speed of described spiral output machine with above-mentioned motor 7.For example, controller 5 can be connected with frequency converter 10, to send for controlling the instruction of motor 7 rotating speeds to frequency converter 10.For example, when weighing material, the conveying worm of being controlled by motor 7 first rotates feed with higher First Speed, when approaching predetermined load, frequency converter 10 is controlled conveying worm and is switched to low-frequency operation, until the minimizing value of weight just equals predetermined load.
Preferably, please refer to Fig. 8, conveying worm is double-screw structure, and the helical blade size specification of two screw rods is the same, and turns to consistent.For example, conveying worm is positioned at the bottom of weighing hopper, and material falls in conveying worm by gravity in weighing hopper.Obviously, conveying worm also can use single shaft list screw rod.Different, double helix is in running, and feed is more even, and in the unit interval, delivery rate is stable; Single-screw is slightly worse than double helix, but its manufacture and processing cost are lower than double helix.
Preferably, feeding system for example also comprises host computer 11(, can be PLC or industrial computer etc.), host computer 11 is connected with controller 5, for assigning instruction to controller 5 to control the operation of whole system, meanwhile, also can the current state of system, (for example, discharging speed of the inventory in weighing hopper, motor speed, conveying worm etc. reflects.
Preferably, feeding system also comprises storage bin 12, and it is positioned at the top of weighing hopper 1, in the exit of storage bin 12, is provided with valving 13, and this valving 13 is connected with controller 5, and like this, controller 5 just can be realized control of additive raw material by valving 13.
Please refer to Fig. 5 and Fig. 6, in a preferred embodiment, first sensor 3 is positioned at the below of weighing hopper, and the second sensor 4 is positioned at the side of weighing hopper.Especially, the number of the second sensor 4 can be two.Can weighing hopper is fixing reliably by first sensor 3 and the second sensor 4, prevent that it from toppling over.In one embodiment, the weight of material that can only detect in weighing hopper by first sensor 3, and specially by the second sensor 4 measuring vibrations interfering signals.
In another preferred embodiment, the second sensor 4 is not only used for detecting vibration interference signal, and can be used for detecting the weight of the material in weighing hopper.In this case, the weight of weighing hopper not only acts on first sensor 3, but also can be applied on the second sensor 4, now, the signal of the second sensor 4 outputs, can be used as weight signal on the one hand, on the other hand, also as vibration interference signal, export simultaneously.Controller 5 is according to the synthetic total weight signal of signal of first sensor 3 and the second sensor 4 outputs, and meanwhile, controller 5 carries out filtering according to the signal of the second sensor 4 outputs to this total weight signal, to obtain actual weight of material.
Below in conjunction with Fig. 5 to 9, the feeding system in the present invention is elaborated.
Please refer to Fig. 5, the feeding system in the present invention also comprises with the horizon adjustable bearing 14 of cushion blocking and weighting platform base 15, with the horizon adjustable bearing of beam install with weighting platform base on, on beam with bolt, the height of adjustable weighting platform base.Wherein, weighing hopper has blow vent 16, charging aperture 17, cover plate 18 and bucket body 19, is furnished with two the second sensors 4 between the support of motor 7 and the housing of reductor 6.
The concrete course of work is as follows:
(1) first, by storage bin to weighing hopper feed supplement.When system detects material and is added to the second predetermined value of setting, automatically stop feed supplement.
(2) thick metering phase.After bringing into operation, the first High Rotation Speed of conveying worm, delivery rate is very fast, when approach predetermined load (for example, reach predetermined load 99%) time, automatically switch to low-frequency operation.
(3) smart metering phase.Conveying worm is when low-frequency operation, and delivery rate is slower, and when the weight reducing just equals predetermined load, conveying worm stops feed.
(4) in running, constantly repeat (2)-(3), to complete single metering.When the material in weighing hopper drops to predetermined feed supplement weight, get back to (1) and carry out feed supplement.
The present invention have the following advantages in: (1) can realize automatic gauge and the feed of trace mineral supplement, is easy to realize Automatic Control; (2) solved the requirement of trace mineral supplement high-precision measuring; (3) in equipment and control system, realize active damping, can solve preferably the large difficult problem of error in dipping that the vibration interference of the generations such as vibratory sieve and mixer causes; (4) structure of the present invention is relatively simple, and cost is lower.
Obviously, those skilled in the art should be understood that, above-mentioned each module of the present invention or each step can realize with general calculation element, they can concentrate on single calculation element, or be distributed on the network that a plurality of calculation elements form, alternatively, they can be realized with the executable program code of calculation element, thereby, they can be stored in storage device and be carried out by calculation element, or they are made into respectively to each integrated circuit modules, or a plurality of modules in them or step are made into single integrated circuit module to be realized.Like this, the present invention is not restricted to any specific hardware and software combination.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (14)
1. the control method that feeds intake of dry-mixed mortar production line, is characterized in that, comprising:
Obtain weight of material signal;
Obtain vibration interference signal;
According to described vibration interference signal, described weight of material signal is carried out to filtering to obtain actual weight of material;
According to the variation of described actual weight of material, control discharging speed to control actual load.
2. control method according to claim 1, is characterized in that, according to described vibration interference signal, described weight of material signal is carried out to filtering and comprises to obtain actual weight of material:
According to the filtering algorithm of searching in described vibration interference signal is in pre-stored wave filter thesaurus with the waveform characteristic matching of described vibration interference signal;
Utilize described filtering algorithm to carry out filtering to obtain described actual weight of material to described weight of material signal.
3. control method according to claim 2, is characterized in that, in described wave filter thesaurus, stores in advance multiple filtering algorithm, and described multiple filtering algorithm is corresponding to any combination of various sources and/or described various sources.
4. control method according to claim 1 and 2, is characterized in that, controls discharging speed comprise according to the variation of described actual weight of material:
Control weighing hopper with First Speed discharging;
Obtain actual load;
Calculate the difference of described actual load and predetermined load;
In the situation that described difference is less than or equal to the first setting value, control described weighing hopper to be less than the second speed discharging of described First Speed, until described actual load equals described predetermined load.
5. control method according to claim 1, is characterized in that, before obtaining weight of material signal or according to also comprising after the variation control discharging speed of described actual weight of material:
In the situation that the corresponding weight of described weight of material signal is less than or equal to predetermined feed supplement weight, to weighing hopper feed supplement, until the actual weight of material in described weighing hopper reaches the second predetermined value.
6. control method according to claim 2, is characterized in that, described control method also comprises:
Obtain the noise under specific environment;
Extract the characteristic of described noise;
Described characteristic is kept in noise storehouse;
Set up characteristic in described noise storehouse and the mapping relations between the various filtering algorithms in described wave filter thesaurus.
7. a feeding control device for dry-mixed mortar production line, is characterized in that, comprising:
Weight signal acquisition module, for obtaining weight of material signal;
Interfering signal acquisition module, for obtaining vibration interference signal;
Actual weight computing module, for carrying out filtering to obtain actual weight of material according to described vibration interference signal to described weight of material signal;
Discharging speed control module, for controlling discharging speed to control actual load according to the variation of described actual weight of material.
8. feeding control device according to claim 7, is characterized in that, described filtering computing module comprises:
Filtering algorithm acquisition module, for searching the filtering algorithm with the waveform characteristic matching of described vibration interference signal according to described vibration interference signal at pre-stored wave filter thesaurus;
Computing module, for utilizing described filtering algorithm to carry out filtering to obtain described actual weight of material to described weight of material signal.
9. feeding control device according to claim 8, is characterized in that, in described wave filter thesaurus, stores in advance multiple filtering algorithm, and described multiple filtering algorithm is corresponding to any combination of various sources and/or described various sources.
10. feeding control device according to claim 8, is characterized in that, described discharging speed control module comprises:
The first control module, for controlling weighing hopper with First Speed discharging;
Load acquisition module, for obtaining actual load;
Difference calculating module, for calculating the difference of described actual load and predetermined load;
The second control module, in the situation that described difference is less than or equal to the first setting value, controls described weighing hopper to be less than the second speed discharging of described First Speed, until described actual load equals described predetermined load.
11. feeding control device according to claim 7, is characterized in that, described feeding control device also comprises:
Control of additive raw material module, in the situation that the corresponding weight of described weight of material signal is less than or equal to predetermined feed supplement weight, to weighing hopper feed supplement, until the actual weight of material in described weighing hopper reaches the second predetermined value.
The feeding system of 12. 1 kinds of dry-mixed mortar production lines, is characterized in that, comprising:
Weighing hopper (1);
Drawing mechanism (2), the corresponding setting of outlet of its entrance and described weighing hopper (1);
First sensor (3), for gathering weight of material signal;
The second sensor (4), for detection of vibration interference signal;
Controller (5), be connected with described the second sensor (4) with described first sensor (3), for according to described vibration interference signal, described weight of material signal being carried out to filtering to obtain weight of material, and control described drawing mechanism (2) according to described weight of material.
13. feeding systems according to claim 12, it is characterized in that, described controller (5) is searched the filtering algorithm with the waveform characteristic matching of described vibration interference signal in pre-stored wave filter thesaurus according to described vibration interference signal, and utilizes described filtering algorithm to carry out filtering to obtain described weight of material to described weight of material signal.
14. feeding systems according to claim 13, is characterized in that, in described wave filter thesaurus, store in advance multiple filtering algorithm, and described multiple filtering algorithm is corresponding to any combination of various sources and/or described various sources.
Priority Applications (1)
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105170482A (en) * | 2015-05-26 | 2015-12-23 | 重庆市机电设计研究院 | Control method based on precision weighing system |
| CN110091428A (en) * | 2019-05-28 | 2019-08-06 | 北京凯盛建材工程有限公司 | The blanking device and method of discharge quantity can be automatically adjusted |
| CN112454636A (en) * | 2020-11-25 | 2021-03-09 | 广东博智林机器人有限公司 | Control method and device, material distributor and storage medium |
| CN113967970A (en) * | 2021-10-19 | 2022-01-25 | 三一汽车制造有限公司 | Control method of micro-metering system and micro-metering system |
| CN117075568A (en) * | 2023-10-18 | 2023-11-17 | 绵阳沃思测控技术有限公司 | Batching control system based on continuous monitoring |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020024268A1 (en) * | 2000-08-11 | 2002-02-28 | Ykk Corporation | Method and apparatus for controlling piezoelectric vibratory parts feeder |
| EP1201572A1 (en) * | 2000-10-23 | 2002-05-02 | Ykk Corporation | Method and apparatus for controlling an electromagnetic parts feeder |
| CN1597471A (en) * | 2004-08-20 | 2005-03-23 | 东南大学 | Vibration material feeding controller with self-adapting frequency self maintaining amplitude and its control method |
| CN102887345A (en) * | 2012-11-01 | 2013-01-23 | 大连理工大学 | Sensorless speed regulation controller based on observation method and sensorless speed regulation control method for piezoelectric vibration feeder |
| CN103029973A (en) * | 2012-12-12 | 2013-04-10 | 安徽师范大学 | Real-time weighing and transferring system of powder and particle materials |
| CN203079342U (en) * | 2013-01-28 | 2013-07-24 | 山西长治维特衡器有限公司 | Plate-impacting loading measurement device |
| CN103342224A (en) * | 2013-07-25 | 2013-10-09 | 福建三宏再生资源科技有限公司 | Method and device for automatically controlling discharging amount of waste plastics |
| CN103341908A (en) * | 2013-07-10 | 2013-10-09 | 丹东市兄弟建材有限公司 | Automated production line and automated production method of light-weight wall material |
-
2013
- 2013-12-10 CN CN201310667373.XA patent/CN103660036B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020024268A1 (en) * | 2000-08-11 | 2002-02-28 | Ykk Corporation | Method and apparatus for controlling piezoelectric vibratory parts feeder |
| EP1201572A1 (en) * | 2000-10-23 | 2002-05-02 | Ykk Corporation | Method and apparatus for controlling an electromagnetic parts feeder |
| CN1597471A (en) * | 2004-08-20 | 2005-03-23 | 东南大学 | Vibration material feeding controller with self-adapting frequency self maintaining amplitude and its control method |
| CN102887345A (en) * | 2012-11-01 | 2013-01-23 | 大连理工大学 | Sensorless speed regulation controller based on observation method and sensorless speed regulation control method for piezoelectric vibration feeder |
| CN103029973A (en) * | 2012-12-12 | 2013-04-10 | 安徽师范大学 | Real-time weighing and transferring system of powder and particle materials |
| CN203079342U (en) * | 2013-01-28 | 2013-07-24 | 山西长治维特衡器有限公司 | Plate-impacting loading measurement device |
| CN103341908A (en) * | 2013-07-10 | 2013-10-09 | 丹东市兄弟建材有限公司 | Automated production line and automated production method of light-weight wall material |
| CN103342224A (en) * | 2013-07-25 | 2013-10-09 | 福建三宏再生资源科技有限公司 | Method and device for automatically controlling discharging amount of waste plastics |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105170482A (en) * | 2015-05-26 | 2015-12-23 | 重庆市机电设计研究院 | Control method based on precision weighing system |
| CN105170482B (en) * | 2015-05-26 | 2017-10-27 | 重庆市机电设计研究院 | Control method based on precision weighing system |
| CN110091428A (en) * | 2019-05-28 | 2019-08-06 | 北京凯盛建材工程有限公司 | The blanking device and method of discharge quantity can be automatically adjusted |
| CN112454636A (en) * | 2020-11-25 | 2021-03-09 | 广东博智林机器人有限公司 | Control method and device, material distributor and storage medium |
| CN112454636B (en) * | 2020-11-25 | 2022-04-19 | 广东博智林机器人有限公司 | Control method and device, material distributor and storage medium |
| CN113967970A (en) * | 2021-10-19 | 2022-01-25 | 三一汽车制造有限公司 | Control method of micro-metering system and micro-metering system |
| CN117075568A (en) * | 2023-10-18 | 2023-11-17 | 绵阳沃思测控技术有限公司 | Batching control system based on continuous monitoring |
| CN117075568B (en) * | 2023-10-18 | 2024-01-05 | 绵阳沃思测控技术有限公司 | Batching control system based on continuous monitoring |
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|---|---|
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