阅读说明：本技术 一种横幅控制逻辑 (Banner control logic ) 是由 王春智 于 2019-05-17 设计创作，主要内容包括：本发明公开了一种横幅控制逻辑,本发明具体包括以下步骤：S1、控制设备的安装以及流浆箱液体压力的检测,S2、液体压力设定值的转换和生成,S3、管道稀释水压力值的检测,S4、管道稀释水压力值的数据处理,S5、管道稀释水压力值的变频控制,S6、用户与系统之间的控制交互,本发明涉及造纸工业设备技术领域。该横幅控制逻辑,可实现通过使用液体压力检测来代替原横幅控制系统的流量控制,很好的保证了稀释水压力比流浆箱压力的差值稳定,从而大大提高了横幅控制的稳定性,很好的达到了通过在流浆箱与稀释水泵之间建立水压检测和自适应算法处理机制,来进行自动调节稀释水压的目的,实现了对稀释水泵的变频进行调节。(The invention discloses banner control logic, which specifically comprises the following steps: s1, control equipment installation and headbox liquid pressure detection, S2, liquid pressure set value conversion and generation, S3, pipeline dilution water pressure value detection, S4, pipeline dilution water pressure value data processing, S5, pipeline dilution water pressure value variable frequency control, S6, user and system control interaction, and the invention relates to the technical field of paper industry equipment. This banner control logic can realize replacing former banner control system's flow control through using liquid pressure to detect, fine assurance dilution water pressure is stable than the difference of head box pressure to improved banner control's stability greatly, fine reaching through establishing water pressure between head box and dilution water pump and detecting and self-adaptation algorithm processing mechanism, carried out the hydraulic purpose of automatically regulated dilution, realized adjusting dilution water pump's frequency conversion.)

1. A banner control logic, characterized in that: the method specifically comprises the following steps:

s1, installation of control equipment and detection of head box liquid pressure: firstly, installing a head box pressure detection module in a head box, installing a pipeline dilution water pressure detection unit at a corresponding specific position, and installing other electrical components, wherein after the installation is finished, a central processing module controls the head box pressure detection module to detect the liquid pressure in the head box, and respectively transmits the detected liquid pressure values to a set value self-adaptive algorithm processing unit and a head box pressure display module;

s2, conversion and generation of a liquid pressure set value: the central processing module can control the set value self-adaptive algorithm processing unit to convert the detected head box liquid pressure, the micro-processing module in the set value self-adaptive algorithm processing unit can control the head box pressure value receiving module to receive the detected liquid pressure value, then the received liquid pressure value is transmitted into the set pressure value conversion module to be processed through the conversion algorithm, the set pressure value can be obtained after the processing is finished, the obtained set pressure value is transmitted to the set value transmitting module, the micro-processing module can control the pressure value real-time updating module to carry out real-time refreshing processing on the received head box liquid pressure value in the second process, and then the pressure value is transmitted to the dilution water set value generating module to be converted into the dilution water set pressure value;

s3, detecting the pressure value of the pipeline dilution water: the central processing module controls the dilution water set value generation module to transmit the set pressure value obtained in the step S2 to the dilution water pump frequency conversion control assembly, and meanwhile, each pipeline pressure detection module in the installed pipeline dilution water pressure detection unit can detect the pressure of the installed and processed dilution water and transmit the detected liquid pressure value to the dilution water pressure processing unit for data processing and analysis;

s4, processing the pressure value data of the pipeline dilution water: a detection pressure value receiving module in the dilution water pressure processing unit receives the pressure values of the dilution water of various stimulated pipelines, a set pressure value extracting module extracts the set pressure value obtained in the step S2, and then the detected liquid pressure value of the dilution water is compared with the set value through a data queue comparing module and fed back to the central processing module through a comparison structure feedback module;

s5, frequency conversion control of the pressure value of the pipeline dilution water: if the detected pressure value of the dilution water is smaller than the set liquid pressure value, the central processing module analyzes the pressure difference between the detected pressure value and the set value, controls the dilution water pump frequency conversion control assembly to correspondingly frequency-convert and control the dilution water pump to work according to the pressure difference, so that the pressure value of the dilution water reaches the set value, and if the comparison result is larger than or equal to the set value, the central processing module controls the dilution water pump frequency conversion control assembly to keep the output power of the dilution water pump to work;

s6, control interaction between the user and the system: in the control process, monitoring personnel can control through a user control module on the system site and can also use an APP networking monitoring platform to perform remote monitoring through a local area network wireless transceiver module.

2. The banner control logic of claim 1, wherein: and the head box pressure detection module in the step S1 and the pipeline pressure detection module in the step S3 are pressure transmitters, and liquid pressure variables acted on the transmitters by liquid are converted into standard output electric signals in proportion to complete detection of water pressure.

3. The banner control logic of claim 1, wherein: the conversion algorithm in the pressure value setting conversion module in step S2 is specifically: and setting the pressure value of the headbox received by the pressure value receiving module of the headbox as x, generating a pressure set value as y, and setting a conversion algorithm in the pressure value conversion module as y being 1.2+ x.

4. The banner control logic of claim 1, wherein: in the step S3, the central processing module is respectively in bidirectional electrical connection with the pipeline dilution water pressure detection unit and the dilution water pressure processing unit, and the pipeline dilution water pressure detection unit is in bidirectional electrical connection with the dilution water pressure processing unit, and the pipeline dilution water pressure detection unit is composed of N pipeline pressure detection modules.

5. The banner control logic of claim 1, wherein: the dilution water pressure processing unit in the step S3 includes a detection pressure value receiving module, a set pressure value extracting module, a data queue comparing module and a comparison structure feedback module, wherein output ends of the detection pressure value receiving module and the set pressure value extracting module are both electrically connected to an input end of the data queue comparing module, and an output end of the data queue comparing module is electrically connected to an input end of the comparison structure feedback module.

6. The banner control logic of claim 1, wherein: in the step S2, the output terminal of the central processing module is electrically connected to the input terminal of the set value adaptive algorithm processing unit, the central processing module is electrically connected to the dilution water set value generating module in a bidirectional manner, and the output terminal of the set value adaptive algorithm processing unit is electrically connected to the input terminal of the dilution water set value generating module.

7. The banner control logic of claim 1, wherein: the processing unit of the set value self-adaptive algorithm in the step S2 includes a micro-processing module, a head box pressure value receiving module, a pressure value real-time updating module, a set pressure value conversion module and a set value sending module, the micro-processing module is respectively in bidirectional electrical connection with the head box pressure value receiving module, the set pressure value conversion module and the set value sending module, the output end of the micro-processing module is electrically connected with the input end of the pressure value real-time updating module, and the output end of the pressure value real-time updating module is electrically connected with the input end of the head box pressure value receiving module.

8. The banner control logic of claim 1, wherein: and in the step S6, the central processing module is in wireless bidirectional connection with the APP networking monitoring platform through the local area network wireless transceiver module, and the central processing module is in bidirectional electric connection with the user control module.

Technical Field

The invention relates to the technical field of papermaking industrial equipment, in particular to banner control logic.

Background

The paper making is an important invention of the labor people in ancient China, and is divided into a mechanism and a manual mode, wherein the mechanism is continuously carried out on a paper machine, paper pulp suitable for the quality of paper is diluted to a certain concentration by water, the wet paper sheet is formed by preliminary dehydration at the net part of the paper machine, then the wet paper sheet is formed by squeezing dehydration and drying, the paper is formed by manual operation, fibers dispersed and suspended in water are made into wet paper sheets by a frame with a bamboo curtain, a polyester net or a copper net, the wet paper sheets are pressed and dehydrated and then dried or dried into paper, the paper manufactured by the mechanism and the manual mode has the biggest difference that the manual paper is manufactured by manual beating, the fibers in the paper pulp are well preserved, the mechanical paper is beaten by a machine, paper pulp fibers are smashed, the manual paper is greatly superior to the mechanical paper in toughness tension, the mechanical paper has uneven longitudinal and transverse distribution of the fibers due to the difference of the pulp net speed difference, the longitudinal and transverse distribution ratio, the paper is particularly embodied on paper for painting and calligraphy, along with the continuous development of the society, the demand of people on paper is larger and larger, the machine-made paper gradually and comprehensively replaces the manual paper making, and the pulping is the most important link in the whole process of the machine-made paper making.

In the pulping and papermaking production process, the key index of the finished paper is to keep the quantitative stability of the banner of the finished paper, the banner quantification is kept stable, the banner control system of the head box is required to be capable of stably adjusting, the original banner control system is flow control, the stability of the difference value of the dilution water pressure to the head box pressure cannot be guaranteed, therefore, the banner control stability is poor, the direct detection of the liquid pressure of the stock discharge box and the pressure of the dilution water cannot be realized, the pressure value of the dilution water is well controlled, the purpose of automatically adjusting the dilution water pressure by establishing a water pressure detection and self-adaptive algorithm processing mechanism between the stock discharge box and the dilution water pump cannot be achieved, the frequency conversion of the dilution water pump cannot be adjusted, the dilution water pressure is always kept within the range of 1-1.5bar with the stock discharge box pressure, and great inconvenience is brought to the papermaking monitoring work of production personnel.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a banner control logic, and solves the problems that the conventional banner control system is flow control, cannot ensure the stable difference value of the pressure of dilution water to the pressure of a head box, is poor in banner control stability, cannot directly detect the liquid pressure of the head box and the pressure of the dilution water to well control the pressure value of the dilution water, cannot achieve the aim of automatically adjusting the dilution water pressure by establishing a water pressure detection and adaptive algorithm processing mechanism between the head box and a dilution water pump, cannot adjust the variable frequency of the dilution water pump, and ensures that the pressure of the dilution water and the pressure of the head box are always kept within the range of 1-1.5 bar.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: a banner control logic comprising the steps of:

s1, installation of control equipment and detection of head box liquid pressure: firstly, installing a head box pressure detection module in a head box, installing a pipeline dilution water pressure detection unit at a corresponding specific position, and installing other electrical components, wherein after the installation is finished, a central processing module controls the head box pressure detection module to detect the liquid pressure in the head box, and respectively transmits the detected liquid pressure values to a set value self-adaptive algorithm processing unit and a head box pressure display module;

s2, conversion and generation of a liquid pressure set value: the central processing module can control the set value self-adaptive algorithm processing unit to convert the detected head box liquid pressure, the micro-processing module in the set value self-adaptive algorithm processing unit can control the head box pressure value receiving module to receive the detected liquid pressure value, then the received liquid pressure value is transmitted into the set pressure value conversion module to be processed through the conversion algorithm, the set pressure value can be obtained after the processing is finished, the obtained set pressure value is transmitted to the set value transmitting module, the micro-processing module can control the pressure value real-time updating module to carry out real-time refreshing processing on the received head box liquid pressure value in the second process, and then the pressure value is transmitted to the dilution water set value generating module to be converted into the dilution water set pressure value;

s3, detecting the pressure value of the pipeline dilution water: the central processing module controls the dilution water set value generation module to transmit the set pressure value obtained in the step S2 to the dilution water pump frequency conversion control assembly, and meanwhile, each pipeline pressure detection module in the installed pipeline dilution water pressure detection unit can detect the pressure of the installed and processed dilution water and transmit the detected liquid pressure value to the dilution water pressure processing unit for data processing and analysis;

s4, processing the pressure value data of the pipeline dilution water: a detection pressure value receiving module in the dilution water pressure processing unit receives the pressure values of the dilution water of various stimulated pipelines, a set pressure value extracting module extracts the set pressure value obtained in the step S2, and then the detected liquid pressure value of the dilution water is compared with the set value through a data queue comparing module and fed back to the central processing module through a comparison structure feedback module;

s5, frequency conversion control of the pressure value of the pipeline dilution water: if the detected pressure value of the dilution water is smaller than the set liquid pressure value, the central processing module analyzes the pressure difference between the detected pressure value and the set value, controls the dilution water pump frequency conversion control assembly to correspondingly frequency-convert and control the dilution water pump to work according to the pressure difference, so that the pressure value of the dilution water reaches the set value, and if the comparison result is larger than or equal to the set value, the central processing module controls the dilution water pump frequency conversion control assembly to keep the output power of the dilution water pump to work;

s6, control interaction between the user and the system: in the control process, monitoring personnel can control through a user control module on the system site and can also use an APP networking monitoring platform to perform remote monitoring through a local area network wireless transceiver module.

Preferably, the headbox pressure detection module in step S1 and the pipe pressure detection module in step S3 are both pressure transducers, and the liquid pressure variable acted on the transducers by the liquid is proportionally converted into a standard output electric signal to complete the detection of the water pressure.

Preferably, the conversion algorithm in the pressure value setting conversion module in step S2 is specifically: and setting the pressure value of the headbox received by the pressure value receiving module of the headbox as x, generating a pressure set value as y, and setting a conversion algorithm in the pressure value conversion module as y being 1.2+ x.

Preferably, in step S3, the central processing module is respectively in bidirectional electrical connection with the pipeline dilution water pressure detection unit and the dilution water pressure processing unit, and the pipeline dilution water pressure detection unit is in bidirectional electrical connection with the dilution water pressure processing unit, and the pipeline dilution water pressure detection unit is composed of N pipeline pressure detection modules.

Preferably, the dilution water pressure processing unit in step S3 includes a detected pressure value receiving module, a set pressure value extracting module, a data queue comparing module, and a comparison structure feedback module, where output ends of the detected pressure value receiving module and the set pressure value extracting module are both electrically connected to an input end of the data queue comparing module, and an output end of the data queue comparing module is electrically connected to an input end of the comparison structure feedback module.

Preferably, in step S2, the output terminal of the central processing module is electrically connected to the input terminal of the set value adaptive algorithm processing unit, the central processing module is electrically connected to the dilution water set value generating module in a bidirectional manner, and the output terminal of the set value adaptive algorithm processing unit is electrically connected to the input terminal of the dilution water set value generating module.

Preferably, the processing unit of the set value adaptive algorithm in step S2 includes a micro-processing module, a headbox pressure value receiving module, a pressure value real-time updating module, a set pressure value conversion module, and a set value sending module, the micro-processing module is respectively electrically connected with the headbox pressure value receiving module, the set pressure value conversion module, and the set value sending module in a bidirectional manner, an output end of the micro-processing module is electrically connected with an input end of the pressure value real-time updating module, and an output end of the pressure value real-time updating module is electrically connected with an input end of the headbox pressure value receiving module.

Preferably, in step S6, the central processing module is wirelessly and bidirectionally connected to the APP networking monitoring platform through the local area network wireless transceiver module, and the central processing module is electrically connected to the user control module in a bidirectional manner.

(III) advantageous effects

The invention provides banner control logic. Compared with the prior art, the method has the following beneficial effects:

(1) the banner control logic specifically comprises the following steps: s1, control equipment installation and head box liquid pressure detection, S2, conversion and generation of liquid pressure set values, S3, pipeline dilution water pressure value detection, S4, pipeline dilution water pressure value data processing, S5, pipeline dilution water pressure value variable frequency control, S6, control interaction between users and systems, and can realize flow control by using liquid pressure detection to replace an original banner control system, well ensure that the difference value of dilution water pressure to head box pressure is stable, thereby greatly improving banner control stability, realizing direct detection of liquid pressure of the head box and pressure of dilution water, well controlling the pressure value of dilution water, and well achieving the purpose of automatically adjusting dilution water pressure by establishing a water pressure detection and self-adaptive algorithm processing mechanism between the head box and a dilution water pump, the frequency conversion of the dilution water pump is adjusted, so that the pressure of the dilution water is always kept within the range of 1-1.5bar with the pressure of the head box, and the papermaking monitoring work of production personnel is greatly facilitated.

(2) This banner control logic, through passing through the wireless transceiver module of LAN and APP networking monitor platform realization wireless two-way connection at central processing module, and central processing module and user control module realize two-way electric connection, can realize establishing two kinds of monitoring schemes of remote monitoring and site monitoring between whole banner control system and user to the detection and the management of producer to papermaking banner process have been made things convenient for greatly.

(3) The banner control logic is characterized in that the detected liquid pressure value is respectively transmitted into the set value self-adaptive algorithm processing unit and the head box pressure display module, so that production personnel can conveniently monitor the liquid pressure in the head box, and can control the liquid pressure in the head box in real time, thereby well finding and processing the shutdown or abnormal working condition of a papermaking banner process in the first time.

Drawings

FIG. 1 is a flow chart of the present invention;

FIG. 2 is a schematic block diagram of the architecture of the system of the present invention;

FIG. 3 is a schematic block diagram of the structure of the dilution water pressure treatment unit according to the present invention;

fig. 4 is a schematic block diagram of the structure of the processing unit of the adaptive algorithm for setting values according to the present 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. 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.

Referring to fig. 1-4, an embodiment of the present invention provides a technical solution: a banner control logic comprising the steps of:

s1, installation of control equipment and detection of head box liquid pressure: firstly, installing a head box pressure detection module in a head box, installing a pipeline dilution water pressure detection unit at a corresponding specific position, and installing other electrical components, wherein after the installation is finished, a central processing module controls the head box pressure detection module to detect the liquid pressure in the head box, and respectively transmits the detected liquid pressure values to a set value self-adaptive algorithm processing unit and a head box pressure display module;

s2, conversion and generation of a liquid pressure set value: the central processing module can control the set value self-adaptive algorithm processing unit to convert the detected head box liquid pressure, the micro-processing module in the set value self-adaptive algorithm processing unit can control the head box pressure value receiving module to receive the detected liquid pressure value, then the received liquid pressure value is transmitted into the set pressure value conversion module to be processed through the conversion algorithm, the set pressure value can be obtained after the processing is finished, the obtained set pressure value is transmitted to the set value transmitting module, the micro-processing module can control the pressure value real-time updating module to carry out real-time refreshing processing on the received head box liquid pressure value in the second process, and then the pressure value is transmitted to the dilution water set value generating module to be converted into the dilution water set pressure value;

s3, detecting the pressure value of the pipeline dilution water: the central processing module controls the dilution water set value generation module to transmit the set pressure value obtained in the step S2 to the dilution water pump frequency conversion control assembly, and meanwhile, each pipeline pressure detection module in the installed pipeline dilution water pressure detection unit can detect the pressure of the installed and processed dilution water and transmit the detected liquid pressure value to the dilution water pressure processing unit for data processing and analysis;

s4, processing the pressure value data of the pipeline dilution water: a detection pressure value receiving module in the dilution water pressure processing unit receives the pressure values of the dilution water of various stimulated pipelines, a set pressure value extracting module extracts the set pressure value obtained in the step S2, and then the detected liquid pressure value of the dilution water is compared with the set value through a data queue comparing module and fed back to the central processing module through a comparison structure feedback module;

s5, frequency conversion control of the pressure value of the pipeline dilution water: if the detected pressure value of the dilution water is smaller than the set liquid pressure value, the central processing module analyzes the pressure difference between the detected pressure value and the set value, controls the dilution water pump frequency conversion control assembly to correspondingly frequency-convert and control the dilution water pump to work according to the pressure difference, so that the pressure value of the dilution water reaches the set value, and if the comparison result is larger than or equal to the set value, the central processing module controls the dilution water pump frequency conversion control assembly to keep the output power of the dilution water pump to work;

s6, control interaction between the user and the system: in the control process, monitoring personnel can control through a user control module on the system site and can also use an APP networking monitoring platform to perform remote monitoring through a local area network wireless transceiver module.

In the invention, the head box pressure detection module in the step S1 and the pipeline pressure detection module in the step S3 are both pressure transmitters, and the liquid pressure variable acted on the transmitters by liquid is converted into a standard output electric signal in proportion to complete the detection of the water pressure.

In the present invention, the conversion algorithm in the pressure value setting conversion module in step S2 is specifically: and setting the pressure value of the headbox received by the pressure value receiving module of the headbox as x, generating a pressure set value as y, and setting a conversion algorithm in the pressure value conversion module as y being 1.2+ x.

In the present invention, in step S3, the central processing module is respectively in bidirectional electrical connection with the pipeline dilution water pressure detection unit and the dilution water pressure processing unit, and the pipeline dilution water pressure detection unit is in bidirectional electrical connection with the dilution water pressure processing unit, and the pipeline dilution water pressure detection unit is composed of N pipeline pressure detection modules.

In the present invention, the dilution water pressure processing unit in step S3 includes a detected pressure value receiving module, a set pressure value extracting module, a data queue comparing module, and a comparison structure feedback module, wherein output ends of the detected pressure value receiving module and the set pressure value extracting module are both electrically connected to an input end of the data queue comparing module, and an output end of the data queue comparing module is electrically connected to an input end of the comparison structure feedback module.

In the present invention, in step S2, the output terminal of the central processing module is electrically connected to the input terminal of the set value adaptive algorithm processing unit, the central processing module is electrically connected to the dilution water set value generating module in a bidirectional manner, and the output terminal of the set value adaptive algorithm processing unit is electrically connected to the input terminal of the dilution water set value generating module.

In the present invention, the processing unit of the set value adaptive algorithm in step S2 includes a microprocessor module, a head box pressure value receiving module, a pressure value real-time updating module, a set pressure value conversion module, and a set value sending module, the microprocessor module is respectively electrically connected to the head box pressure value receiving module, the set pressure value conversion module, and the set value sending module in a bidirectional manner, an output terminal of the microprocessor module is electrically connected to an input terminal of the pressure value real-time updating module, and an output terminal of the pressure value real-time updating module is electrically connected to an input terminal of the head box pressure value receiving module.

In the invention, in step S6, the central processing module is wirelessly and bidirectionally connected to the APP networking monitoring platform through the local area network wireless transceiver module, and the central processing module is bidirectionally and electrically connected to the user control module.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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.