阅读说明：本技术 刷辊移动控制方法、系统及装置 (Brush roll movement control method, system and device ) 是由 傅如学 于 2020-04-29 设计创作，主要内容包括：本发明公开了一种刷辊移动控制方法、系统及装置,涉及无酸去氧化皮技术领域。本发明包括：接收刷辊与钢材之间的压力值、电机的实时转速数据、控制参数数据；确定刷辊目标转速值R、下限值R1、上限值R2；根据R、R1、R2设定控制参数；响应于所述压力值大于R2,则向执行单元发送加压控制信号；响应于所述压力值小于R1,则向执行单元发送减压控制信号。本发明可使毛刷与钢材之间的压力始终控制在一个理想的范围,当毛刷摩擦造成损耗使压力减小时,刷辊会自动加压,当毛刷摩擦造成损耗使压力增大时,刷辊会自动减压,使得刷辊一直稳定在一个有效的压力范围内,刷辊会根据钢材的实际情况实时调节压力,提升了去除氧化皮的效果。(The invention discloses a method, a system and a device for controlling the movement of a brush roller, and relates to the technical field of acid-free descaling. The invention comprises the following steps: receiving a pressure value between the brush roll and steel, real-time rotating speed data of a motor and control parameter data; determining a target rotating speed value R, a lower limit value R1 and an upper limit value R2 of the brush roll; setting control parameters according to R, R1 and R2; in response to the pressure value being greater than R2, sending a pressurization control signal to an execution unit; and responding to the pressure value being smaller than R1, sending a decompression control signal to an execution unit. The invention can control the pressure between the brush and the steel in an ideal range all the time, when the pressure is reduced due to loss caused by brush friction, the brush roll can be automatically pressurized, when the pressure is increased due to loss caused by brush friction, the brush roll can be automatically depressurized, so that the brush roll is always stabilized in an effective pressure range, the pressure can be adjusted by the brush roll in real time according to the actual condition of the steel, and the effect of removing oxide skin is improved.)

1. A brush roller movement control method, characterized by comprising:

receiving a pressure value between the brush roll and steel, real-time rotating speed data of a motor and control parameter data;

determining a target rotating speed value R of the brush roller, a lower limit value R1 of the rotating speed of the brush roller and an upper limit value R2 of the rotating speed of the brush roller according to the following algorithms:

R1＝R-Δr；R2＝R+Δr；

wherein R is a target rotating speed value of the brush roll, L is a width value of strip steel, and delta R is a normal working rotating speed jumping range value of the brush roll;

setting control parameters according to R, R1 and R2;

in response to the pressure value being greater than R2, sending a pressurization control signal to an execution unit;

and responding to the pressure value being smaller than R1, sending a decompression control signal to an execution unit.

2. The brush roll movement control method according to claim 1, wherein in the case where the strip steel is a special steel, the R value is determined according to the following algorithm:

wherein e is the adhesion coefficient of the oxide skin on the strip steel.

3. The brush roll movement control method according to claim 1, wherein a control signal is sent to the execution unit based on brush roll rotation speed data, wherein the number of rotation speed readings n is calculated by the following formula:

the number of revolutions n is the debounce time Δ t and the revolution reading frequency.

4. The method of claim 3, wherein sending a control signal to the actuator based on brushroll speed data comprises the steps of:

starting from the first time when the actual rotating speed value of the brush roller is not between R1 and R2, if the actual rotating speed value of the brush roller is not between R1 and R2 in n times of continuous reading, the execution unit carries out corresponding action; and if at least one of the n continuous readings is between R1 and R2, restarting the judgment, resetting the counter, counting from the next occurrence of the rotating speed which is not between R1 and R2, and repeating the judgment.

5. The brush roll movement control method according to any one of claims 1 to 4, wherein the pressure value between the brush roll and the steel material and the real-time rotation speed data of the motor are acquired by a detection unit, the detection unit including a pressure sensor and an incremental encoder;

the pressure sensor is arranged on a carrier roller which is in contact with the steel and is used for detecting the pressure value between the brush roller and the steel; the incremental encoder is arranged at the tail end of the brush roll motor and used for measuring the real-time rotating speed of the motor

6. A brush roller movement control system, comprising:

the detection unit comprises a pressure sensor and an incremental encoder; the pressure sensor is used for detecting the pressure value between the brush roll and the steel, and the incremental encoder is used for measuring the real-time rotating speed of the motor;

the human-computer interaction unit is used for receiving pressure setting range data, real-time pressure data feedback data, action delay time data of the execution unit and running state data of the execution unit, which are input by a user;

and the control unit is used for receiving the signal transmitted back by the detection unit and the parameter data set by the man-machine interaction unit, and sending an execution command to the execution unit after processing the signal and the parameter data.

7. A brushing roller movement control system according to claim 6, characterized in that the signals transmitted back by the detection unit and the parameter data set by the human-computer interaction unit are processed according to the method of any one of claims 1 to 5.

8. The brush roll movement control system of claim 6 or 7, wherein the pressure sensor is mounted on a carrier roller that contacts the steel material, and the incremental encoder is mounted on the trailing end of the brush roll motor.

9. The brush roller movement control system according to claim 6 or 7, wherein the control unit comprises a PLC, an AD conversion module and a counting module, and the control unit converts the analog signal transmitted by the sensor into a digital signal through the AD conversion module.

10. A device for controlling the movement of a brush roller, characterized in that the device is used with a method according to any one of claims 1-5.

Technical Field

The invention belongs to the technical field of acid-free descaling, and particularly relates to a brush roller movement control method, system and device.

Background

As is known, at present, domestic scale treatment is mostly removed by adopting an acid pickling mode, the acid pickling technology is developed relatively mature at present, is approved by mass production enterprises and is used in large quantities, the process is mainly realized by acid liquor, the acid liquor with a corresponding formula is put into an acid tank according to steel types of different materials, the scale (FeO, Fe3O4 and Fe2O3) on the surface of the steel is oxide which is not dissolved in water, and when the oxide and the acid are soaked in the acid liquor, the oxide and the acid respectively generate a series of chemical reactions. When the hot rolled steel passes through the acid liquor, the acid liquor and the oxide skin on the surface of the steel are subjected to chemical reaction to generate iron salt dissolved in water and dissolved in the acid solution. At present, pickling is still an indispensable technological process in steel production and steel surface treatment. However, the use of the pickling process for steel materials also causes the following problems:

(1) in the pickling process, the iron sheet is removed by dissolving corresponding metal oxides mainly through the chemical reaction of acid and the iron sheet, and in the pickling process, the iron sheet is removed by the stripping action of hydrogen bubbles generated by the chemical reaction of acid and steel when sulfuric acid is used for pickling steel, so that a large amount of acid is inevitably consumed in the pickling process, and although the metal consumption of steel can be reduced by using a pickling corrosion inhibitor in the pickling process, a considerable amount of metal iron is lost, so that the waste of raw materials is caused, and the process cost is increased.

(2) The physical properties of the steel material may be degraded by the chemical reaction between metallic iron and acid and the generation of hydrogen gas during the pickling process. Since the chemical potential of hydrogen in the pickling solution is higher than that of hydrogen in the steel to be pickled, the generated hydrogen permeates into the steel and accumulates to cause hydrogen embrittlement, thereby affecting the mechanical properties of the steel and the subsequent processing.

(3) The surface treatment of steel by adopting the acid pickling process causes great difference in production equipment and production environment due to different varieties of steel, specifications of products and production scale. Such as the sealing of pickling tanks, the corrosion of production equipment, the ventilation and exhaust of pickling plants, the discharge and treatment of acid mist, and the treatment and discharge of sewage, the treatment methods and the treatment levels differ greatly. Thus, many problems in environmental protection are caused, and the problems need to be treated and solved one by one.

(4) The problem of treatment of waste acid and iron salt is that the acid washing of steel consumes a large amount of metallic iron and simultaneously generates a large amount of waste acid liquid and corresponding acid and ferric oxide or generated iron salt solution. In order to recover and utilize these spent acid solutions and iron salts, a large investment is required to construct corresponding recovery and treatment facilities. Particularly, when small-sized and small-batch steel pieces are subjected to pickling treatment, pickling waste liquid is difficult to intensively treat, and once direct discharge occurs, serious pollution is caused to the environment.

(5) A large amount of waste water, waste gas and waste residues are generated in the acid washing process, contain a large amount of harmful factors, have strong corrosivity and cause certain harm to the environment and organisms. If the water is directly discharged without treatment, the water can corrode irrigation canals and buildings; when the water body is discharged into the water body, the pH value of the water body can be changed, and the phosphorus content in the waste liquid can enable a large amount of algae plants to appear in the water body, so that blue algae can grow in rivers, and the growth of aquatic plants and fishery production can be interfered and influenced; when the fertilizer is discharged into farmlands, the property of soil can be changed, so that the soil is acidified or salinized, and the growth of crops is seriously damaged; the loss of acid base material is also a waste.

The acid washing technology has reached the end of the way in poor way under the increasingly severe environment-friendly form. From 2013, the excess capacity industry is gradually regulated by the country, backward enterprises with serious pollution are gradually eliminated, the plate pickling is popular, and a large number of enterprises without environment-friendly treatment equipment are reintegrated and shut down. According to the investigation, in recent years, thousands of small pickling lines exist in the shut-down areas, and enterprises with pickling production qualification are carefully produced under the strict national control and face environmental scrutiny at any time. Meanwhile, the cost of production enterprises is rising continuously, and some enterprises forced to shut down the pickling line can only rely on professional pickling manufacturers with production qualification to carry out entrusted processing, so that the cost is greatly increased, and many production enterprises are always at the edge of closing and breaking production, and urgently need to find a solution for treating the environment-friendly oxide skin for replacing pickling. According to the knowledge, the treatment cost of waste acid solution discharged after the waste acid solution is treated according to the national discharge standard reaches up to ten thousand yuan, calculated according to 20 kilograms of acid consumed by treating one ton of steel, the cost of only environmental protection shared cost per ton of steel reaches hundreds yuan, no enterprise can completely reach the standard discharge in the current market price, the environmental protection requirement of the assembly line of the investment of China in south east Asia and other countries is very strict, even the acid washing technology is forbidden, therefore, the acid washing technology must be replaced by a novel technology, the pollution problem can be solved completely.

In the existing control method of the brush roller, the brush of the brush roller is consumed very fast in the process of high-speed friction with steel, if the brush is in more contact with the steel, the brush is easy to break during high-speed friction, so that the cost of raw materials is increased, and the effect of removing oxide scales is not ideal. If the brush is in less contact with the steel, the effect of removing oxide scales by friction cannot be achieved, so that the friction strength of the brush and the steel is controlled within a reasonable range, and the key point of the production efficiency is achieved.

Disclosure of Invention

The invention aims to provide a brush roller movement control method, a brush roller movement control system and a brush roller movement control device, which can enable the pressure between a brush and steel to be always controlled in an ideal range, when the pressure is reduced due to loss caused by brush friction, a brush roller can automatically pressurize, when the pressure is increased due to loss caused by brush friction, the brush roller can automatically decompress, so that the brush roller is always stabilized in an effective pressure range, therefore, when equipment normally operates, the brush roller can adjust the pressure in real time according to the actual condition of the steel, the effect of removing oxide skin is improved, and the existing technical problems are solved.

In order to solve the technical problems, the invention is realized by the following technical scheme:

a brush roller movement control method comprises the following steps:

receiving a pressure value between the brush roll and steel, real-time rotating speed data of a motor and control parameter data;

determining a target rotating speed value R, a lower limit value R1 and an upper limit value R2 of the brush roll according to the following algorithm:

R1＝R-Δr；R2＝R+Δr；

wherein R is the target rotating speed value of the brush roll, L is the width value of the strip steel, and delta R is the jumping range value of the normal working rotating speed of the brush roll

Setting control parameters according to R, R1 and R2;

in response to the pressure value being greater than R2, sending a pressurization control signal to an execution unit;

and responding to the pressure value being smaller than R1, sending a decompression control signal to an execution unit.

Optionally, in the case that the strip steel is a special steel, the R value is determined according to the following algorithm:

wherein e is the adhesion coefficient of the oxide skin on the strip steel.

Optionally, a control signal is sent to the execution unit according to the brush roll rotation speed data, wherein the rotation speed reading times n are calculated by the following formula:

the number of revolutions n is the debounce time Δ t and the revolution reading frequency.

Optionally, the sending the control signal to the execution unit according to the brush roll rotation speed data includes the following steps:

starting from the first time when the actual rotating speed value of the brush roller is not between R1 and R2, if the actual rotating speed value of the brush roller is not between R1 and R2 in n times of continuous reading, the execution unit carries out corresponding action; and if at least one of the n continuous readings is between R1 and R2, restarting the judgment, resetting the counter, counting from the next occurrence of the rotating speed which is not between R1 and R2, and repeating the judgment.

Optionally, the pressure value between the brush roll and the steel and the real-time rotating speed data of the motor are obtained by a detection unit, and the detection unit comprises a pressure sensor and an incremental encoder;

the pressure sensor is arranged on a carrier roller which is in contact with the steel and is used for detecting the pressure value between the brush roller and the steel; the incremental encoder is arranged at the tail end of the brush roll motor and used for measuring the real-time rotating speed of the motor

A brush roller movement control system comprising:

the detection unit comprises a pressure sensor and an incremental encoder; the pressure sensor is used for detecting the pressure value between the brush roll and the steel, and the incremental encoder is used for measuring the real-time rotating speed of the motor;

the human-computer interaction unit is used for receiving pressure setting range data, real-time pressure data feedback data, action delay time data of the execution unit and running state data of the execution unit, which are input by a user;

and the control unit is used for receiving the signal transmitted back by the detection unit and the parameter data set by the man-machine interaction unit, and sending an execution command to the execution unit after processing the signal and the parameter data.

Optionally, the signal transmitted back by the detection unit and the parameter data set by the human-computer interaction unit are processed according to any one of the brush roll movement control methods.

Optionally, the pressure sensor is mounted on a carrier roller in contact with the steel, and the incremental encoder is mounted at the tail end of the brush roller motor.

Optionally, the control unit includes a PLC, an AD conversion module, and a counting module, and the control unit converts the analog signal transmitted by the sensor into a digital signal through the AD conversion module.

A brush roller movement control apparatus to which a method as described in any of the above aspects is applied.

The embodiment of the invention has the following beneficial effects:

1. according to the embodiment of the invention, the pressure between the brush and the steel is always controlled in an ideal range, when the pressure is reduced due to loss caused by brush friction, the brush roller can be automatically pressurized, and when the pressure is increased due to loss caused by brush friction, the brush roller can be automatically depressurized, so that the brush roller is always stabilized in an effective pressure range, and thus when the equipment normally operates, the pressure can be adjusted in real time according to the actual condition of the steel by the brush roller, and the effect of removing oxide scales is improved.

2. The embodiment of the invention adopts a modular design, can quickly and efficiently remove the oxide skin on the surface of the strip steel, has better effect than the traditional technology, has low operation cost and zero emission and no pollution, is a stable and feasible physical solution for replacing the pickling technology, and is a novel process for removing the oxide skin on the surface of the steel by driving the brush roller to rub with the surface of the steel through the high-speed rotation of the brush roller.

3. The embodiment of the invention can effectively remove the oxide skin generated by steel in the steel rolling process, particularly for stainless steel, carbon steel and other materials, gets rid of the limitation that the traditional pickling processing technology cannot replace environmental protection, and solves the great problem of environmental pollution caused by the pickling oxide skin removing technology. The technology can not only remove oxide skin quickly and effectively, but also has lower energy consumption and cost than the traditional technology, and really meets the requirements of energy conservation, zero discharge of waste water, waste gas and waste residue, no pollution and the like.

Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a flow chart of a method for controlling movement of a brushroll in accordance with one embodiment of the present invention;

FIG. 2 is a diagram of a brushroll movement control system according to one embodiment of 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.

To maintain the following description of the embodiments of the present invention clear and concise, a detailed description of known functions and known components of the invention have been omitted.

Referring to fig. 1, in the present embodiment, a method for controlling movement of a brush roller is provided, which includes the following steps:

s01, receiving pressure values between the brush roll and steel, real-time rotating speed data of the motor and control parameter data;

s02, determining a target rotating speed value R, a lower limit value R1 and an upper limit value R2 of the brush roll according to the following algorithm:

R1＝R-Δr；R2＝R+Δr；

wherein R is the target rotating speed value of the brush roll, L is the width value of the strip steel, and delta R is the jumping range value of the normal working rotating speed of the brush roll

S03, setting control parameters according to R, R1 and R2;

s04, responding to the pressure value being larger than R2, sending a pressurization control signal to an execution unit;

in response to the pressure value being less than R1, sending a depressurization control signal to an execution unit;

in response to the pressure value being between R1-R2, the execution unit does not act.

Compared with the prior art, the technical scheme of this embodiment adopts the modularized design, can clear away belted steel surface scale fast, high-efficiently, and the effect is superior to the conventional art to the operation cost is low, and zero release is pollution-free, is the more stable, feasible physics solution of replacing the pickling technique, and it rotates at a high speed through the brush roll, drives brush and steel surface and takes place the friction, thereby gets rid of the novel technology of steel surface scale. However, in the process of high-speed friction between the brush and steel in the prior art, the consumption of the brush is very fast, and if the brush is in more contact with the steel, the brush is easy to break off during high-speed friction, so that the cost of raw materials is increased, and the effect of removing oxide scales is not ideal. If the brush is in less contact with the steel, the effect of removing oxide scales by friction cannot be achieved, so that the friction strength of the brush and the steel is controlled within a reasonable range, and the key point of the production efficiency is achieved. And the technical scheme of this embodiment can make the pressure between brush and the steel control all the time in an ideal scope, when brush friction causes the loss to make pressure reduce, the brush roller can automatic pressurization, when brush friction causes the loss to make pressure increase, the brush roller can automatic decompression, make the brush roller stabilize in an effectual pressure range always, like this when equipment normal operating, the brush roller can be according to the actual conditions real-time regulated pressure of steel, the effect of getting rid of the cinder has been promoted, this technique must play subversive innovation in belted steel descaling technical field.

In this embodiment, the ratio of the difference between the 20 times strip steel width L and the lower limit of the equipment processing strip steel width to the difference between the upper limit of the equipment processing strip steel width and the lower limit of the equipment processing strip steel width is the rotation speed value of the brush roll loss part when the equipment processing strip steel, and the difference between the normal idle rotation speed of the brush roll and the Δ r and the rotation speed value of the brush roll loss part is the ideal rotation speed when the strip steel is processed.

Specifically, the execution unit in this embodiment may be a three-phase asynchronous motor, a servo motor, or a stepping motor, and when the motor receives a forward or reverse signal from the control unit, the motor operates to adjust the pressure of the brush roller.

An aspect of the present invention is applied to a method comprising the steps of:

an execution unit, a pressure sensor and an encoder are installed, electric wiring is completed, and a circuit is checked to ensure no error;

the manual control execution unit is used for adjusting lifting to enable the brush roll to be in contact with steel, adjusting the height of the brush roll to be 5-10MM after the brush is visually observed to be in contact with the steel, manually rotating the motor to sense whether the contact resistance of the brush and the steel is reasonable, manually starting the equipment and running for 2-5 minutes, and observing and recording pressure data of a sensor and the rotating speed of the motor displayed on the human-computer interaction unit after the equipment runs normally and the process treatment effect meets the requirement;

setting operation parameters of a pressure sensor and an encoder on a man-machine interaction unit by referring to data recorded during manual operation, setting control parameters according to R, R1 and R2, and storing the control parameters into a control unit;

starting the equipment, starting the automatic control mode, and operating the equipment according to the set process parameters.

While the present invention has various embodiments, an alternative embodiment is now provided, and it should be noted that the present application is not limited thereto:

the width of the brush roll is 500MM, the diameter of the brush roll is 250MM, 1 500KG pressure sensor and 1 300 pulse incremental encoder are selected, and a Mitsubishi 5U series PLC and a Mitsubishi GS2110 touch screen are selected. The method comprises the steps that the equipment is operated, the brush roll is manually adjusted downwards to enable the brush roll to be in contact with steel, the steel is pulled, when the scale removing effect on the surface of the steel is good, the downward adjustment of the brush roll is stopped, the rotating speed of a pressure sensor and a motor is observed, so that the pressure is 210KG, the rotating speed is 1420RPM, the pressure range is 205KG-215KG, the rotating speed range is 1415RPM-1425RPM, the motor delays 5S to act, and the automatic mode operation equipment is started;

taking the processed strip steel as plain carbon steel as an example, the normal idle rotation speed of the brush roller is 1497RPM, the maximum load rotation speed of the brush roller is 1475RPM, the working environment temperature is 25-35 ℃, the width range of the strip steel processed by the equipment is 800-1550 MM, and the Delta r is 2R1489.7, R1 1487.7, R2 1491.7, control parameters are set on the human-computer interaction unit according to values of R, R1 and R2, the real-time rotating speed of the brush roller is compared with the rotating speed range of the brush roller, and a pressurizing control signal is sent to the execution unit in response to the pressure value being larger than R2; in response to the pressure value being less than R1, sending a depressurization control signal to an execution unit; in response to the pressure value being between R1-R2, the execution unit does not act.

The pressure between the brush roll and steel is realized by the lifting of the motor, so the rotating speed of the motor and the screw pitch of the screw rod are the key of the lifting precision of the motor, the lower the rotating speed of the motor is, the smaller the screw pitch of the screw rod is, the lower the lifting speed is, the higher the control precision is, but the time for replacing the brush roll is prolonged, and the production efficiency is influenced. Therefore, the speed of the motor which automatically runs is set to be smaller during design, the speed is set to be larger during brush roll replacement, and the function of multi-stage speed of the motor is reasonably utilized.

In addition, in order to ensure that the brush roller can stably run, the sensor is not interfered by external factors, the work of the brush roller is not influenced by the flatness and smoothness of the surface of steel, and the running process of the brush roller can be optimized; specifically, the method comprises the steps of shielding interference signals, delaying the action of the execution unit, setting upper and lower limit protection parameters to prevent the equipment from being damaged by misoperation of the execution unit due to sensor faults, and increasing the use degree and service life of the limit switch detection brush roll.

In one aspect of this embodiment, in the case where the strip steel is a special steel, the R value can be determined according to the following algorithm:

wherein e is the adhesion coefficient of the oxide skin on the strip steel.

The value range of e in this embodiment is generally between 0-5%, taking the adhesion coefficient of 2Cr13 stainless steel with a width of 1000MM as an example of 4.2%,namely, R1483.4, R1 1481.4, and R2 1485.4. Compared with special steel such as stainless steel and the like, the ordinary carbon steel has relatively small adhesive force of the oxide skin, so that for the pressure range of the special steel, the effect of removing the oxide skin on the surface of the strip steel is improved by substituting the adhesive coefficient e into an algorithm.

In another aspect of this embodiment, a control signal is sent to the actuator unit based on brushroll speed data, wherein the number of speed readings n is calculated by the equation:

the number of revolutions n is the debounce time Δ t and the revolution reading frequency.

The brush roller is in high-speed friction collision with the strip steel in the working process, and the actual rotating speed of the brush roller is continuously jumping due to factors such as unevenness of the surface of part of the strip steel, so that the execution unit can also frequently act. But in fact, the jumping time is short, the rotating speed change caused by brush roller brush consumption is avoided, the service life of the executing unit is also shortened due to frequent action, a shaking removing process is added during use, the shaking removing time is defined as delta t, and therefore the service life is prolonged to a certain extent. Wherein, the debounce time delta t can be defined according to the requirement on the treatment quality of the strip steel and can be selected from 1S to 5S.

In other aspects of this embodiment, sending a control signal to the actuator based on the brushroll speed data includes the steps of:

starting from the first time when the actual rotating speed value of the brush roller is not between R1 and R2, if the actual rotating speed value of the brush roller is not between R1 and R2 in n times of continuous reading, the execution unit carries out corresponding action; and if at least one of the n continuous readings is between R1 and R2, restarting the judgment, resetting the counter, counting from the next occurrence of the rotating speed which is not between R1 and R2, and repeating the judgment.

In the present embodiment, 2Cr13 stainless steel with a width of 1000MM is taken as an example, and the algorithm is substituted to obtain R1483.4, R1 is 1481.4, R2 is 1485.4, if the debounce time Δ t is 3S and the rotation speed reading frequency is 10Hz, the rotation speed is read for a total of 30 times in 3S time, starting from the first reading when the actual rotation speed is not between R1 and R2, and if none of the 30 consecutive readings is between R1 and R2, the execution unit performs corresponding operations; and if at least one of the 30 continuous readings is between R1 and R2, the counter is reset from the new judgment, the counting is started from the next rotation speed which is not between R1 and R2, and the judgment is repeated.

In other aspects of the embodiment, the pressure value between the brush roll and the steel and the real-time rotating speed data of the motor are obtained by a detection unit, and the detection unit comprises a pressure sensor and an incremental encoder;

the pressure sensor is arranged on a carrier roller which is in contact with the steel and is used for detecting the pressure value between the brush roller and the steel; the incremental encoder is arranged at the tail end of the brush roll motor and used for measuring the real-time rotating speed of the motor

Referring to fig. 2, a brush roller movement control system includes:

the detection unit comprises a pressure sensor and an incremental encoder; the pressure sensor is used for detecting the pressure value between the brush roll and the steel, and the incremental encoder is used for measuring the real-time rotating speed of the motor; when the equipment normally operates, the system feeds back to the control unit according to the data of the pressure sensor and the rotating speed of the motor, and the contact pressure between the brush roll and steel is adjusted by operation and comparison and by controlling the lifting of the brush roll through the execution unit;

the human-computer interaction unit is used for receiving pressure setting range data, real-time pressure data feedback data, action delay time data of the execution unit and running state data of the execution unit, which are input by a user; the man-machine interaction unit can select an industrial touch screen or an upper computer, a display interface and a parameter setting window are designed through compiling software, control parameters are input on the touch screen or the upper computer and transmitted to the control unit, the brush roll is controlled to ascend and descend through the execution unit after operation and comparison so as to adjust the contact pressure between the brush roll and steel, and meanwhile, detected data are displayed on the touch screen or the upper computer, so that the operating data of the system can be conveniently judged to optimize the set parameters;

and the control unit is used for receiving the signal transmitted back by the detection unit and the parameter data set by the man-machine interaction unit, and sending an execution command to the execution unit after processing the signal and the parameter data.

In one aspect of the embodiment, the brush roll movement control method according to any one of the above aspects processes signals transmitted back by the detection unit and parameter data set by the human-computer interaction unit.

In another aspect of this embodiment, the pressure sensor is mounted on the idler roller that contacts the steel and the incremental encoder is mounted on the trailing end of the brush roll motor.

In other aspects of this embodiment, the control unit includes PLC, AD conversion module, count module, and the control unit changes the analog signal that the sensor transmitted into digital signal through AD conversion module, conveniently does a quantitative judgement to the brush roll pressure range, and the signal of encoder is as a motor rotational speed feedback signal, and PLC does an operation according to these feedback signals again, calculates the real-time rotational speed of brush roll.

A brush roller movement control apparatus to which a method as described in any of the above aspects is applied.

The above embodiments may be combined with each other.

It should be noted that in the description of the present specification, descriptions such as "first", "second", etc. are only used for distinguishing features, and do not have an actual order or meaning, and the present application is not limited thereto.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.