CN117235432A - Method, device, medium and electronic equipment for determining strip steel tension distribution - Google Patents
Method, device, medium and electronic equipment for determining strip steel tension distribution Download PDFInfo
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- CN117235432A CN117235432A CN202311139141.7A CN202311139141A CN117235432A CN 117235432 A CN117235432 A CN 117235432A CN 202311139141 A CN202311139141 A CN 202311139141A CN 117235432 A CN117235432 A CN 117235432A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 102
- 239000010959 steel Substances 0.000 title claims abstract description 102
- 238000000034 method Methods 0.000 title claims abstract description 48
- 238000009826 distribution Methods 0.000 title claims abstract description 40
- 230000009467 reduction Effects 0.000 claims abstract description 12
- 238000004364 calculation method Methods 0.000 claims description 12
- 230000015654 memory Effects 0.000 claims description 10
- 238000003860 storage Methods 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 4
- 238000000137 annealing Methods 0.000 description 11
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 10
- 238000010586 diagram Methods 0.000 description 6
- 230000006870 function Effects 0.000 description 5
- 229910052742 iron Inorganic materials 0.000 description 5
- 238000012545 processing Methods 0.000 description 3
- 229910000976 Electrical steel Inorganic materials 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000005097 cold rolling Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
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- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000004590 computer program Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000005261 decarburization Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009851 ferrous metallurgy Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
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Abstract
The application discloses a method, a device, a medium and electronic equipment for determining strip steel tension distribution. The method comprises the following steps: acquiring a first furnace roller torque average value in preset time according to a first preset furnace roller rotating speed and a conventional furnace roller rotating speed, and acquiring a second furnace roller torque average value in preset time according to a second preset furnace roller rotating speed and a conventional furnace roller rotating speed; according to the first furnace roller torque average value and the second furnace roller torque average value, calculating the no-load torque of the furnace roller; the method comprises the steps of obtaining real-time torque of a furnace roller and calculating output torque of the furnace roller by combining no-load torque of the furnace roller; calculating furnace roller acting force based on the radius of the furnace roller, the reduction ratio and the output torque of the furnace roller, wherein the furnace roller acting force represents the acting force of the current furnace roller on the strip steel; and calculating the strip steel tension corresponding to each furnace roller according to the initial strip steel tension and the furnace roller acting force, thereby determining the strip steel tension distribution. The technical scheme provided by the application can improve the accuracy of obtaining the tension distribution of the strip steel.
Description
Technical Field
The application belongs to the technical field of ferrous metallurgy control, and particularly relates to a method, a device, a medium and electronic equipment for determining strip steel tension distribution.
Background
The continuous horizontal annealing furnace in the cold rolling process is key equipment for heat treatment of cold rolled silicon steel, strain generated by cold rolling is eliminated and crystal grains are promoted to grow up through a recrystallization process, and decarburization is carried out to a reasonable level at the same time, so that the performance of the product meets the requirement. The iron loss is an important index of a silicon steel product, the size of the iron loss is influenced by the tension of the strip steel during annealing, namely, the lower the tension of the strip steel during annealing is, the lower the iron loss of the product is, the better the magnetic induction is, and the better the performance is.
At present, the strip steel tension control of the annealing furnace only depends on an inlet tension meter to detect the actual tension of the strip steel, and an inlet tension roller is controlled to realize the closed-loop control of the strip steel tension. Because of the horizontal structure of the annealing furnace, the hearth temperature is high, and the strip steel tension is low, the detection of the strip steel tension in the furnace is always an industrial problem, and a related detection method and equipment are also lacked, so that the distribution trend of the strip steel tension in the furnace is always unknown. Related studies have also been stopped without prior efforts due to lack of data support for in-furnace belt steel tension. Therefore, in view of the above, a method for determining the tension distribution of the strip steel needs to be studied.
Disclosure of Invention
The application provides a method, a device, a medium and electronic equipment for determining strip steel tension distribution. The method for determining the tension distribution of the strip steel can improve the accuracy of obtaining the tension distribution of the strip steel.
Additional features and advantages of the application will be set forth in the detailed description which follows, or in part will be obvious from the practice of the application.
According to a first aspect of the present application, there is provided a method for determining tension distribution of a strip steel, the method comprising: under the no-load state of the furnace roller, acquiring a first furnace roller torque average value in preset time according to a first preset furnace roller rotating speed and a conventional furnace roller rotating speed, and acquiring a second furnace roller torque average value in preset time according to a second preset furnace roller rotating speed and a conventional furnace roller rotating speed; according to the first furnace roller torque average value and the second furnace roller torque average value, calculating a furnace roller idle torque; under the furnace roller load state, calculating the furnace roller output torque by acquiring the furnace roller real-time torque and combining the furnace roller idle torque; calculating a furnace roller acting force based on the furnace roller radius, the reduction ratio and the furnace roller output torque, wherein the furnace roller acting force represents the acting force of the current furnace roller on the strip steel; and calculating the strip steel tension corresponding to each furnace roller according to the initial strip steel tension and the furnace roller acting force, thereby determining the strip steel tension distribution.
In some embodiments of the present application, the furnace roller idle torque is calculated based on the foregoing scheme by the following formula:
wherein T is 0 For no-load torque of furnace roller, T + Is the average value of the torque of the first furnace roller, T - Is the second furnace roller torque average value.
In some embodiments of the present application, the furnace roller output torque is calculated based on the foregoing scheme by the following formula:
ΔT＝T-T 0
wherein DeltaT is the output torque of the furnace roller, T is the real-time torque of the furnace roller, and T 0 Is the no-load torque of the furnace roller.
In some embodiments of the present application, the furnace roller force is calculated based on the foregoing scheme by:
F i ＝ΔT×n÷r
wherein F is i For furnace roller force, deltaT is furnace roller output torqueR is the radius of the furnace roller, and n is the reduction ratio.
In some embodiments of the present application, based on the foregoing solution, the strip tension corresponding to each furnace roller is calculated by:
wherein T is i For the corresponding strip steel tension of the furnace roller, T s To initiate strip tension, F i Acting force for the furnace roller.
In some embodiments of the present application, based on the foregoing, in the process of obtaining the furnace roller real-time torque, the method further includes: if the first furnace roller torque average value is smaller than the acquired furnace roller real-time torque, taking the first furnace roller torque average value as the furnace roller real-time torque; and if the average value of the first furnace roller torque is larger than or equal to the acquired furnace roller real-time torque, taking the currently acquired furnace roller real-time torque as the furnace roller real-time torque.
In some embodiments of the present application, based on the foregoing solution, the method further includes: dividing the furnace rollers into a plurality of groups according to preset intervals, and calculating the average value of the strip steel tension corresponding to each group so as to determine the strip steel tension distribution.
According to a second aspect of the present application, there is provided an apparatus for determining tension distribution of a strip steel, the apparatus comprising: the device comprises an acquisition unit, a control unit and a control unit, wherein the acquisition unit is used for acquiring a first furnace roller torque average value in preset time according to a first preset furnace roller rotating speed and a conventional furnace roller rotating speed under a furnace roller idle state, and acquiring a second furnace roller torque average value in preset time according to a second preset furnace roller rotating speed and a conventional furnace roller rotating speed; a first calculation unit for calculating a furnace roller idle torque according to the first furnace roller torque average value and the second furnace roller torque average value; the second calculation unit is used for calculating the output torque of the furnace roller by acquiring the real-time torque of the furnace roller and combining the no-load torque of the furnace roller under the load state of the furnace roller; a third calculation unit for calculating a furnace roller acting force based on the furnace roller radius, the reduction ratio and the furnace roller output torque, wherein the furnace roller acting force represents the acting force of the current furnace roller on the strip steel; and the fourth calculation unit is used for calculating the strip steel tension corresponding to each furnace roller according to the initial strip steel tension and the furnace roller acting force so as to determine the strip steel tension distribution.
According to a third aspect of the present disclosure, there is provided a computer readable storage medium having stored therein at least one program code loaded and executed by a processor to implement operations performed by the method.
According to a fourth aspect of the present disclosure, there is provided an electronic device, characterized in that the electronic device comprises one or more processors and one or more memories, the one or more memories having stored therein at least one program code loaded and executed by the one or more processors to implement the operations performed by the method.
Compared with the prior art, the application at least comprises the following beneficial effects:
according to the method, under the no-load state of the furnace roller, the first furnace roller torque average value in the preset time is obtained according to the first preset furnace roller rotating speed and the conventional furnace roller rotating speed. And meanwhile, obtaining a second furnace roller torque average value in preset time according to the second preset furnace roller rotating speed and the conventional furnace roller rotating speed. And according to the obtained first furnace roller torque average value and the second furnace roller torque average value, the furnace roller idle torque can be calculated.
Then, under the furnace roller load state, the furnace roller output torque can be calculated by acquiring the furnace roller real-time torque and combining the furnace roller idle torque.
When the furnace roller real-time torque is acquired, in order to avoid the distortion of the furnace roller real-time torque data caused by abnormal conditions such as furnace roller blocking and the like, if the first furnace roller torque average value is smaller than the acquired furnace roller real-time torque, the first furnace roller torque average value is taken as the furnace roller real-time torque. And if the average value of the first furnace roller torque is larger than or equal to the acquired furnace roller real-time torque, taking the currently acquired furnace roller real-time torque as the furnace roller real-time torque.
Based on the furnace roller radius, the reduction ratio, and the furnace roller output torque, a furnace roller effort can be calculated, wherein the furnace roller effort characterizes the current furnace roller effort against the strip. And finally, calculating to obtain the strip steel tension corresponding to each furnace roller according to the initial strip steel tension and the furnace roller acting force, thereby determining the strip steel tension distribution.
Based on the method, the accuracy of obtaining the tension distribution of the strip steel can be improved. Meanwhile, the distribution trend of the tension of the strip steel in the furnace can be known, the tension control of the strip steel in the furnace is optimized for the next step, the tension of the strip steel is reduced, the iron loss of a product is reduced, and the performance of the product is improved to provide data support.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application as claimed.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the application and together with the description, serve to explain the principles of the application. It is obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained from these drawings without inventive effort for a person of ordinary skill in the art. In the drawings:
FIG. 1 is a flow chart illustrating a method of determining strip tension profile in an embodiment of the present application;
FIG. 2 shows a schematic view of the structure of an annealing furnace in an embodiment of the application;
FIG. 3 shows a strip steel tension trend curve in an embodiment of the present application;
FIG. 4 is a schematic diagram showing the structure of a device for determining the tension distribution of strip steel in an embodiment of the application;
fig. 5 shows a schematic structural diagram of an electronic device in an embodiment of the application.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings in which embodiments of the present application are shown, it being apparent that the embodiments described are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the inventors, are within the scope of the present application based on the embodiments herein.
Furthermore, the described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. In the following description, numerous specific details are provided to give a thorough understanding of embodiments of the present application. One skilled in the relevant art will recognize, however, that the application may be practiced without one or more of the specific details, or with other methods, components, devices, steps, etc. In other instances, well-known methods, devices, implementations, or operations are not shown or described in detail to avoid obscuring aspects of the application.
The block diagrams depicted in the figures are merely functional entities and do not necessarily correspond to physically separate entities. That is, the functional entities may be implemented in software, or in one or more hardware modules or integrated circuits, or in different networks and/or processor devices and/or microcontroller devices.
The flow diagrams depicted in the figures are exemplary only, and do not necessarily include all of the elements and operations/steps, nor must they be performed in the order described. For example, some operations/steps may be decomposed, and some operations/steps may be combined or partially combined, so that the order of actual execution may be changed according to actual situations.
The present application will be described in detail below:
fig. 1 shows a flowchart of a method for determining the tension distribution of a strip steel in an embodiment of the present application. The method for determining the tension distribution of the strip steel can be performed by a device with a calculation processing function, for example, the method can be performed by a device for determining the tension distribution of the strip steel. Referring to fig. 1, the method for determining the tension distribution of the strip steel at least includes steps 110 to 150, which are described in detail as follows:
step 110, in the no-load state of the furnace roller, obtaining a first furnace roller torque average value in a preset time according to a first preset furnace roller rotating speed and a conventional furnace roller rotating speed, and obtaining a second furnace roller torque average value in the preset time according to a second preset furnace roller rotating speed and a conventional furnace roller rotating speed.
And 120, calculating the idle furnace roller torque according to the first furnace roller torque average value and the second furnace roller torque average value.
And 130, under the furnace roller load state, calculating the furnace roller output torque by acquiring the furnace roller real-time torque and combining the furnace roller idle torque.
And 140, calculating furnace roller acting force based on the furnace roller radius, the reduction ratio and the furnace roller output torque, wherein the furnace roller acting force represents the acting force of the current furnace roller on the strip steel.
And 150, calculating the strip steel tension corresponding to each furnace roller according to the initial strip steel tension and the furnace roller acting force, so as to determine the strip steel tension distribution.
In the application, after the current furnace roller is determined to be in an idle state, idle torque collection can be carried out on each furnace roller in a round-robin mode. Specifically, the first preset furnace roller rotation speed and the second preset furnace roller rotation speed are first determined by the conventional furnace roller rotation speed. For example, if the conventional furnace roller rotation speed is V, a speed value may be increased based on the conventional furnace roller rotation speed, so as to obtain a first preset furnace roller rotation speed, for example, the first preset furnace roller rotation speed is v+10m/min. Similarly, a speed value can be reduced based on the conventional furnace roller rotation speed, so as to obtain a second preset furnace roller rotation speed, for example, the preset furnace roller rotation speed is V-10m/min. Among them, the conventional furnace roller rotation speed is generally 150m/min in practical application and production.
After the first furnace roller rotating speed and the second furnace roller rotating speed are obtained, respectively calculating a first furnace roller torque average value corresponding to the first furnace roller rotating speed and a second furnace roller torque average value corresponding to the second furnace roller rotating speed in preset time, so as to obtain the furnace roller idle torque. Wherein, the preset time may be 30 seconds.
Further, in calculating the no-load torque of the furnace roller, the calculation can be performed by the following formula:
wherein T is 0 For no-load torque of furnace roller, T + Is the average value of the torque of the first furnace roller, T - Is the second furnace roller torque average value.
And then, according to the calculated furnace roller idle torque, and combining the furnace roller real-time torque acquired under the furnace roller load state, calculating the furnace roller output torque. The furnace roller output torque may be calculated by the following formula:
ΔT＝T-T 0
wherein DeltaT is the output torque of the furnace roller, T is the real-time torque of the furnace roller, and T 0 Is the no-load torque of the furnace roller.
In addition, when the furnace roller real-time torque is obtained, in order to avoid the distortion of the furnace roller real-time torque data caused by abnormal conditions such as furnace roller blocking, and the like, if the first furnace roller torque average value is smaller than the obtained furnace roller real-time torque, the first furnace roller torque average value is taken as the furnace roller real-time torque. And if the average value of the first furnace roller torque is larger than or equal to the acquired furnace roller real-time torque, taking the currently acquired furnace roller real-time torque as the furnace roller real-time torque.
Based on the obtained furnace roller output torque, and combining the radius of the current furnace roller and the corresponding reduction ratio of the current furnace roller, the acting force of the current furnace roller on the strip steel is calculated by the following formula:
F i ＝ΔT×n÷r
wherein F is i The acting force of the furnace roller is delta T, the output torque of the furnace roller is delta T, r is the radius of the furnace roller, and n is the reduction ratio.
According to the method, the strip steel tension corresponding to each furnace roller is calculated according to the initial strip steel tension and the furnace roller acting force, so that the strip steel tension distribution is determined. Wherein the initial strip tension is indicative of the tension of the strip prior to entering the lehr. The tensile stress of the strip steel corresponding to the current furnace roller needs to calculate the strip steel acting force corresponding to the current furnace roller and superimpose the strip steel acting force of the furnace roller before the current furnace roller.
Based on the method, the tension distribution situation of the strip steel tension in the annealing furnace can be accurately known through calculating the strip steel tension corresponding to each furnace roller, the distribution trend of the strip steel tension in the annealing furnace is shown, and data support can be provided for research, development, design, quality improvement and synergy of subsequent products.
Further, the strip steel tension corresponding to each furnace roller is calculated by the following method:
wherein T is i For the corresponding strip steel tension of the furnace roller, T s To initiate strip tension, F i Acting force for the furnace roller.
Specifically, for example, the initial strip tension is T s The acting force of the strip steel of the first furnace roller is F 1 The acting force of the strip steel of the second furnace roller is F 2 The acting force of the strip steel of the third furnace roller is F 3 The acting force of the strip steel of the fourth furnace roller is F 4 . Therefore, the tension of the strip steel corresponding to the first furnace roller is T s +F 1 . The tension of the strip steel corresponding to the second furnace roller is T s +F 1 +F 2 . The tension of the strip steel corresponding to the third furnace roller is T s +F 1 +F 2 +F 3 . The tension of the strip steel corresponding to the fourth furnace roller is T s +F 1 +F 2 +F 3 +F 4 。
In one embodiment of the present application, the method for determining the tension distribution of the strip steel further comprises: dividing the furnace rollers into a plurality of groups according to preset intervals, and calculating the average value of the strip steel tension corresponding to each group so as to determine the strip steel tension distribution.
In the present application, referring to fig. 2, there is shown a schematic view of the structure of an annealing furnace in the embodiment of the present application. In fig. 2, the annealing furnace may include a heating section, a soaking section, and a cooling section, with each section including a plurality of furnace rolls. In order to make the situation and trend of the strip steel tension distribution clearer, the furnace rollers can be divided into a plurality of groups according to preset intervals, and the strip steel tension average value corresponding to each group is calculated, so that the strip steel tension distribution is determined.
For example, 150 furnace rollers are arranged in the current annealing furnace, 5 rollers are used as a group, and the average value of the strip steel tension corresponding to each group is calculated, so that the strip steel tension distribution is determined, and meanwhile, a smooth strip steel tension trend curve can be obtained, so that data support is provided for optimizing the strip steel tension control in the furnace, reducing the strip steel tension, reducing the iron loss of products and improving the product performance. Referring to fig. 3, a strip steel tension trend curve in an embodiment of the present application is shown. In fig. 3, the trend of the belt steel tension in each furnace section is shown. For example, in the PH/NOF section, the strip tension is increased from 3.71KN to 4.22KN. Also for example, in the RTF section, the strip tension is increased from 4.22KN to 4.43KN. Also for example, in the SF2 section, the strip tension is increased from 5.03KN to 5.85KN. Also for example, in the RRJC section, the strip tension is reduced from 6.98KN to 6.62KN.
The application also provides a device for determining the tension distribution of the strip steel based on the same inventive concept, and referring to fig. 4, a schematic structural diagram of the device for determining the tension distribution of the strip steel in the embodiment of the application is shown. The apparatus 400 for determining tension distribution of strip steel comprises: an obtaining unit 401, configured to obtain, in a no-load state of the furnace roller, a first furnace roller torque average value in a preset time according to a first preset furnace roller rotation speed and a conventional furnace roller rotation speed, and obtain a second furnace roller torque average value in the preset time according to a second preset furnace roller rotation speed and a conventional furnace roller rotation speed; a first calculation unit 402, configured to calculate a furnace roller idle torque according to the first furnace roller torque average value and the second furnace roller torque average value; a second calculating unit 403, configured to calculate a furnace roller output torque by acquiring a furnace roller real-time torque and combining the furnace roller no-load torque in a furnace roller load state; a third calculation unit 404, configured to calculate a furnace roller acting force, which characterizes an acting force of a current furnace roller on the strip steel, based on a furnace roller radius, a reduction ratio, and the furnace roller output torque; and a fourth calculating unit 405, configured to calculate the strip tension corresponding to each furnace roller according to the initial strip tension and the furnace roller acting force, so as to determine the strip tension distribution.
For details not disclosed in the embodiments of the apparatus of the present application, please refer to the embodiments of the method of the present application.
The present application also provides a computer readable storage medium based on the same inventive concept, wherein at least one program code is stored in the computer readable storage medium, and the at least one program code is loaded and executed by a processor to implement operations performed by the method.
The application of the application also provides an electronic device based on the same inventive concept, and referring to fig. 5, fig. 5 shows a schematic structural diagram of the electronic device in the embodiment of the application.
The electronic device comprises one or more memories 504, one or more processors 502 and at least one computer program (program code) stored on the memories 504 and executable on the processors 502, which when executed by the processors 502 implements the methods as described above.
Where in FIG. 5 a bus architecture (represented by bus 500), bus 500 may include any number of interconnected buses and bridges, with bus 500 linking together various circuits, including one or more processors, represented by processor 502, and memory, represented by memory 504. Bus 500 may also link together various other circuits such as peripheral devices, voltage regulators, power management circuits, etc., as are well known in the art and, therefore, will not be described further herein. Bus interface 505 provides an interface between bus 500 and receiver 501 and transmitter 503. The receiver 501 and the transmitter 503 may be the same element, i.e. a transceiver, providing a means for communicating with various other apparatus over a transmission medium. The processor 502 is responsible for managing the bus 500 and general processing, while the memory 504 may be used to store data used by the processor 502 in performing operations.
The functions described herein may be implemented in hardware, software executed by a processor, firmware, or any combination thereof. If implemented in software that is executed by a processor, the functions may be stored on or transmitted over as one or more instructions or code on a computer-readable medium. Other examples and implementations are within the scope and spirit of the present application and the appended claims. For example, due to the nature of software, the functions described above may be implemented using software executed by a processor, hardware, firmware, hardwired, or a combination of any of these. In addition, each functional unit may be integrated in one processing unit, each unit may exist alone physically, or two or more units may be integrated in one unit.
In the several embodiments provided in the present application, it should be understood that the disclosed technology may be implemented in other manners. The above-described embodiments of the apparatus are merely exemplary, and the division of the units, for example, may be a logic function division, and may be implemented in another manner, for example, a plurality of units or components may be combined or may be integrated into another system, or some features may be omitted, or not performed. Alternatively, the coupling or direct coupling or communication connection shown or discussed with each other may be through some interfaces, units or modules, or may be in electrical or other forms.
The units described as separate components may or may not be physically separate, and components as control devices may or may not be physical units, may be located in one place, or may be distributed over a plurality of units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
The integrated units, if implemented in the form of software functional units and sold or used as stand-alone products, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present application may be essentially or part of the present application that contributes to the prior art or all or part of the technical solution may be embodied in the form of a software product stored in a storage medium, comprising several instructions for causing a computer device (which may be a personal computer, a server or a network device, etc.) to perform all or part of the steps of the method described in the embodiments of the present application. And the aforementioned storage medium includes: a U-disk, a Read-Only Memory (ROM), a random access Memory (RAM, random Access Memory), a removable hard disk, a magnetic disk, or an optical disk, or other various media capable of storing program codes.
The above description is only an example of the present application and is not intended to limit the present application, but various modifications and changes will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.
Claims (10)
1. A method of determining a tension profile of a strip steel, the method comprising:
under the no-load state of the furnace roller, acquiring a first furnace roller torque average value in preset time according to a first preset furnace roller rotating speed and a conventional furnace roller rotating speed, and acquiring a second furnace roller torque average value in preset time according to a second preset furnace roller rotating speed and a conventional furnace roller rotating speed;
according to the first furnace roller torque average value and the second furnace roller torque average value, calculating a furnace roller idle torque;
under the furnace roller load state, calculating the furnace roller output torque by acquiring the furnace roller real-time torque and combining the furnace roller idle torque;
calculating a furnace roller acting force based on the furnace roller radius, the reduction ratio and the furnace roller output torque, wherein the furnace roller acting force represents the acting force of the current furnace roller on the strip steel;
and calculating the strip steel tension corresponding to each furnace roller according to the initial strip steel tension and the furnace roller acting force, thereby determining the strip steel tension distribution.
2. The method of claim 1, wherein the furnace roller idle torque is calculated by the formula:
wherein T is 0 For no-load torque of furnace roller, T + Is the average value of the torque of the first furnace roller, T - Is the second furnace roller torque average value.
3. The method of claim 1, wherein the furnace roller output torque is calculated by the formula:
ΔT＝T-T 0
wherein DeltaT is the output torque of the furnace roller, T is the real-time torque of the furnace roller, and T 0 Is the no-load torque of the furnace roller.
4. The method of claim 1, wherein the furnace roller force is calculated by:
F i ＝ΔT×n÷r
wherein F is i The acting force of the furnace roller is delta T, the output torque of the furnace roller is delta T, r is the radius of the furnace roller, and n is the reduction ratio.
5. The method of claim 1, wherein the respective strip tensions for the respective furnace rolls are calculated by:
wherein T is i For the corresponding strip steel tension of the furnace roller, T s To initiate strip tension, F i Acting force for the furnace roller.
6. The method of claim 1, wherein during the process of obtaining the furnace roller live torque, the method further comprises:
if the first furnace roller torque average value is smaller than the acquired furnace roller real-time torque, taking the first furnace roller torque average value as the furnace roller real-time torque;
and if the average value of the first furnace roller torque is larger than or equal to the acquired furnace roller real-time torque, taking the currently acquired furnace roller real-time torque as the furnace roller real-time torque.
7. The method according to claim 1, wherein the method further comprises:
dividing the furnace rollers into a plurality of groups according to preset intervals, and calculating the average value of the strip steel tension corresponding to each group so as to determine the strip steel tension distribution.
8. A device for determining the tension profile of a strip steel, said device comprising:
the device comprises an acquisition unit, a control unit and a control unit, wherein the acquisition unit is used for acquiring a first furnace roller torque average value in preset time according to a first preset furnace roller rotating speed and a conventional furnace roller rotating speed under a furnace roller idle state, and acquiring a second furnace roller torque average value in preset time according to a second preset furnace roller rotating speed and a conventional furnace roller rotating speed;
a first calculation unit for calculating a furnace roller idle torque according to the first furnace roller torque average value and the second furnace roller torque average value;
the second calculation unit is used for calculating the output torque of the furnace roller by acquiring the real-time torque of the furnace roller and combining the no-load torque of the furnace roller under the load state of the furnace roller;
a third calculation unit for calculating a furnace roller acting force based on the furnace roller radius, the reduction ratio and the furnace roller output torque, wherein the furnace roller acting force represents the acting force of the current furnace roller on the strip steel;
and the fourth calculation unit is used for calculating the strip steel tension corresponding to each furnace roller according to the initial strip steel tension and the furnace roller acting force so as to determine the strip steel tension distribution.
9. A computer readable storage medium having stored therein at least one program code loaded and executed by a processor to implement operations performed by the method of any of claims 1 to 7.
10. An electronic device comprising one or more processors and one or more memories, the one or more memories having stored therein at least one piece of program code that is loaded and executed by the one or more processors to implement the operations performed by the method of any of claims 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311139141.7A CN117235432A (en) | 2023-09-05 | 2023-09-05 | Method, device, medium and electronic equipment for determining strip steel tension distribution |
Applications Claiming Priority (1)
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