CN110702192A - Automatic metering implementation method of steel coil scale based on instrument - Google Patents
Automatic metering implementation method of steel coil scale based on instrument Download PDFInfo
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- CN110702192A CN110702192A CN201910986893.4A CN201910986893A CN110702192A CN 110702192 A CN110702192 A CN 110702192A CN 201910986893 A CN201910986893 A CN 201910986893A CN 110702192 A CN110702192 A CN 110702192A
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- steel coil
- weighing
- metering
- walking beam
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G11/00—Apparatus for weighing a continuous stream of material during flow; Conveyor belt weighers
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G23/00—Auxiliary devices for weighing apparatus
- G01G23/18—Indicating devices, e.g. for remote indication; Recording devices; Scales, e.g. graduated
- G01G23/36—Indicating the weight by electrical means, e.g. using photoelectric cells
- G01G23/37—Indicating the weight by electrical means, e.g. using photoelectric cells involving digital counting
- G01G23/3728—Indicating the weight by electrical means, e.g. using photoelectric cells involving digital counting with wireless means
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The invention discloses a method for realizing automatic metering of a steel coil scale based on an instrument, which comprises a walking beam for transporting a steel coil and the steel coil scale arranged on the walking beam, wherein the walking beam is provided with a positioning device, the walking beam and the steel coil scale are electrically connected with a PLC (programmable logic controller), the PLC is in wired connection with a metering instrument for weighing, the instrument is in wireless connection with a metering computer and a weighing system, and the walking beam and the steel coil scale are in wired or wireless connection with a production computer and a production system; the complete steel coil scale metering system designed by the invention realizes the automatic metering of steel coils and the automatic matching, storage and sharing of information; the technical means adopted by the invention automatically completes the functions of steel coil metering and complete information transmission of the steel coil without manual participation, thereby avoiding the information transmission error during the steel coil metering caused by manual operation error or untimely operation; the PLC and the metering computer can not directly communicate, thereby completely avoiding virus propagation and network attack between the production network and the metering network.
Description
Technical Field
The invention relates to the technical field of steel coil weighing, in particular to an automatic metering implementation method of a steel coil scale based on an instrument.
Background
The steel coil scale is a common metering device for online metering of steel coils transported by the walking beams, and is installed at a certain straight section of the walking beams of a transportation line. Because the number and the weight of the steel coils are different, each steel coil needs to be accurately distinguished, the blank number, the weight and the weighing time of the steel coil are determined and are transmitted to other informatization systems as a whole, and the method is used for management and statistical analysis of the metering information of the steel coils. The following three technical schemes are adopted conventionally: according to the scheme I, a measurer records measurement information manually and then inputs the measurement information into a computer system; recording the blank number, steel type and specification of the steel coil through an operation interface of a computer system and manually matching the blank number, steel type and specification with the weight data collected from the steel coil scale; and thirdly, acquiring the serial number, steel type and specification of the steel coil from the production automation system through the Ethernet, acquiring weight data from the steel coil scale, and manually matching afterwards. The above method needs to be equipped with a large number of measurers for field operation, and is easy to cause problems of input errors or inaccurate data confirmation and the like. Meanwhile, the second scheme and the third scheme need to solve the problem of communication cases between the production network and the metering network, extra investment such as firewall is added, network security cannot be completely guaranteed, and the production automation system is threatened by network security such as virus attack.
Disclosure of Invention
Aiming at the problems in the prior art, the invention aims to provide a method for realizing automatic metering of a steel coil scale based on an instrument.
The technical scheme adopted by the invention for solving the technical problems is as follows: a method for realizing automatic metering of a steel coil scale based on an instrument comprises a walking beam for transporting a steel coil and the steel coil scale arranged on the walking beam, wherein the walking beam is provided with a positioning device, the walking beam and the steel coil scale are electrically connected with a PLC (programmable logic controller), the PLC is in wired connection with a metering instrument for weighing, the instrument is in wireless connection with a metering computer and a weighing system, and the walking beam and the steel coil scale are in wired or wireless connection with a production computer and a production system;
the method for realizing automatic metering of the steel coil scale based on the instrument comprises the following specific steps:
1) driving a walking beam according to a program set in the PLC, driving the steel coil by the walking beam, and transporting the steel coil to a weighing saddle of a steel coil scale;
2) through the positioning device, the PLC judges the in-place information of the steel coil, the walking beam stops running, and after the condition that the weighing condition is met is confirmed, the PLC sends a weighing request and the steel coil number to a weighing instrument;
3) after the instrument receives the weighing request and the steel coil number, weighing is started;
4) the meter determines whether the weighing condition is satisfied
After the instrument judges that the weighing machine is in a stable state, reading and storing the weight, feeding the number of the steel coil and the weight back to the PLC together, and sending the number of the steel coil and the weight to a metering computer and a weighing system;
if the weighing apparatus is judged to be in a dynamic state and does not meet the weighing condition, returning to judge whether the weight is stable or not and whether the weighing condition is met or not;
5) after receiving the number and the weight of the steel coil, the metering computer and the weighing system store and feed back to a superior management system, and meanwhile, the information of the number and the weight of the steel coil received by the PLC is sent to the production computer and the production system;
6) and the PLC drives the walking beam again to transport the measured steel coil to the next procedure, and meanwhile, the step 1-6 is repeated for transporting the steel coil to be measured.
Specifically, the walking beam is connected with a plurality of transport equipment switches through electric signals.
Specifically, the wireless connection adopts Ethernet communication, and the wired connection adopts serial communication.
The invention has the following beneficial effects:
the complete steel coil scale metering system designed by the invention has the advantages that the stepping beam is driven by the PLC to transport a steel coil to a weighing position, the in-place information of the steel coil is judged, the stepping beam is stopped, the weighing request and the steel coil number are sent to the weighing instrument after the weighing condition is confirmed to be met, the weighing instrument starts weighing after receiving the weighing request information, the weight is read and stored after the condition that the weight is stably met is judged, the steel coil number and the weight are fed back to the PLC together, the PLC drives the stepping beam again to transport the steel coil to the next procedure, the matching and the transmission of the steel coil information and the weight information are realized, and the automatic metering, the automatic matching, the storage and the sharing of the; the technical means adopted by the invention automatically completes the functions of steel coil metering and complete information transmission of the steel coil without manual participation, thereby avoiding the information transmission error during the steel coil metering caused by manual operation error or untimely operation; the instrument and the PLC are communicated in a serial port communication mode, the instrument, the metering computer and the weighing system are communicated in an Ethernet communication mode, the PLC and the metering computer cannot be directly communicated, information conversion and respective communication according to a fixed protocol are required to be carried out through the instrument, and the production automation network and the metering network are physically isolated, so that virus propagation and network attack between the production network and the metering network are completely avoided.
Drawings
FIG. 1 is a flow chart of a method for implementing automatic metering of a steel coil scale based on a meter.
Fig. 2 is a system device diagram of the automatic metering implementation method of the steel coil scale based on the meter.
In the figure: 1-a walking beam; 2-PLC; 3-instrument; 4-metering computer and weighing system; 5-production computer and production system; 6-Ethernet communication; 7-serial port communication; 8-electrical signal; 9-transport equipment switch.
Detailed Description
The technical solutions in the embodiments of the present invention will be described in further detail in the following clearly and completely with reference to the accompanying drawings in the embodiments of the present invention. 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.
Interpretation of technical terms to which the invention relates:
steel coil scale: a weighing and metering device which is actually arranged on the walking beam and provides metering information such as the weight of a weighed object;
PLC 2: the programmable logic controller is a programmable controller, can execute some instructions of logic operation, arithmetic operation, timing, counting and the like according to a program which is pre-programmed and is downloaded and stored in the programmable logic controller, and realizes certain control function by detecting and/or controlling various types of equipment through digital or analog input/output signals;
serial port communication 7: the communication is carried out in a serial mode, information interaction between equipment and a computer is realized, and the equipment generally comprises common communication protocols such as RS232C, RS485, RS422, current loops and the like;
steel coil: also called coil steel, the steel is hot pressed and cold pressed into coil shape to produce finished product or semi-finished product.
As shown in fig. 1-2, an automatic metering method for a steel coil scale based on an instrument comprises a walking beam 1 for transporting steel coils and the steel coil scale installed on the walking beam 1, wherein a positioning device is arranged on the walking beam 1, the walking beam 1 and the steel coil scale are electrically connected with a PLC2, the PLC2 is connected with a metering instrument 3 for weighing through serial port communication 7, the instrument 3 is wirelessly connected with a metering computer and a weighing system 4 through ethernet communication 6, the walking beam 1 and the steel coil scale are wirelessly connected with a production computer and a production system 5 through serial port communication 7 or ethernet communication 6, and the walking beam 1 is connected with a plurality of transport equipment switches 9 through an electrical signal 8;
the method for realizing automatic metering of the steel coil scale based on the instrument comprises the following specific steps:
1) according to a program set in the PLC2, the walking beam 1 is driven, the walking beam 1 drives the steel coil, and the steel coil is transported to a weighing saddle of the steel coil scale;
2) through the positioning device, the PLC2 judges the in-place information of the steel coil, the walking beam 1 stops running, and after the condition that the weighing condition is met is confirmed, the PLC2 sends the weighing request and the steel coil number to the weighing instrument 3;
3) after the instrument 3 receives the weighing request and the steel coil number, weighing is started;
4) meter determination 3 whether weighing conditions are met
After the instrument 3 judges that the weighing apparatus is in a stable state, the weight is read and stored, the number of the steel coil and the weight are fed back to the PLC2 together, and the steel coil number and the weight are simultaneously sent to the metering computer and the weighing system 4;
if the weighing apparatus is judged to be in a dynamic state and does not meet the weighing condition, returning to judge whether the weight is stable or not and whether the weighing condition is met or not;
5) after receiving the steel coil number and the weight, the metering computer and weighing system 4 stores and feeds back the steel coil number and the weight to a superior management system, and meanwhile, the information of the steel coil number and the weight received by the PLC2 is sent to the production computer and the production system 5;
6) the PLC2 drives the walking beam 1 again to transport the measured steel coil to the next process, and repeats steps 1-6 at the same time.
The present invention is not limited to the above embodiments, and any structural changes made under the teaching of the present invention shall fall within the scope of the present invention, which is similar or similar to the technical solutions of the present invention.
The techniques, shapes, and configurations not described in detail in the present invention are all known techniques.
Claims (3)
1. A method for realizing automatic metering of a steel coil scale based on an instrument is characterized by comprising a walking beam for transporting a steel coil and the steel coil scale arranged on the walking beam, wherein the walking beam is provided with a positioning device, the walking beam and the steel coil scale are electrically connected with a PLC (programmable logic controller), the PLC is in wired connection with a metering instrument for weighing, the instrument is in wireless connection with a metering computer and a weighing system, and the walking beam and the steel coil scale are in wired or wireless connection with a production computer and a production system;
the method for realizing automatic metering of the steel coil scale based on the instrument comprises the following specific steps:
1) driving a walking beam according to a program set in the PLC, driving the steel coil by the walking beam, and transporting the steel coil to a weighing saddle of a steel coil scale;
2) through the positioning device, the PLC judges the in-place information of the steel coil, the walking beam stops running, and after the condition that the weighing condition is met is confirmed, the PLC sends a weighing request and the steel coil number to a weighing instrument;
3) after the instrument receives the weighing request and the steel coil number, weighing is started;
4) the meter determines whether the weighing condition is satisfied
After the instrument judges that the weighing machine is in a stable state, reading and storing the weight, feeding the number of the steel coil and the weight back to the PLC together, and sending the number of the steel coil and the weight to a metering computer and a weighing system;
if the weighing apparatus is judged to be in a dynamic state and does not meet the weighing condition, returning to judge whether the weight is stable or not and whether the weighing condition is met or not;
5) after receiving the number and the weight of the steel coil, the metering computer and the weighing system store and feed back to a superior management system, and meanwhile, the information of the number and the weight of the steel coil received by the PLC is sent to the production computer and the production system;
6) and the PLC drives the walking beam again to transport the measured steel coil to the next procedure, and meanwhile, the step 1-6 is repeated for transporting the steel coil to be measured.
2. The method of claim 1, wherein the walking beam is electrically connected to a plurality of transport equipment switches.
3. The method for implementing automatic metering of a steel coil scale based on an instrument according to claim 1, wherein the wireless connection adopts Ethernet communication, and the wired connection adopts serial port communication.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910986893.4A CN110702192A (en) | 2019-10-17 | 2019-10-17 | Automatic metering implementation method of steel coil scale based on instrument |
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| CN201910986893.4A CN110702192A (en) | 2019-10-17 | 2019-10-17 | Automatic metering implementation method of steel coil scale based on instrument |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112180850A (en) * | 2020-08-29 | 2021-01-05 | 首钢京唐钢铁联合有限责任公司 | Method and device for transmitting weight information of finished product roll |
| CN112729495A (en) * | 2020-12-18 | 2021-04-30 | 马鞍山力森金属结构有限公司 | Material weight detection device for steel structure machining |
| CN113420432A (en) * | 2021-06-18 | 2021-09-21 | 马鞍山钢铁股份有限公司 | Automatic simulation operation method for hot-rolling tray type steel coil conveying line |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1424562A (en) * | 2001-12-10 | 2003-06-18 | 济南星科经贸有限公司 | Automatic control system for weighing and measuring square ingot for continuous casting apparatus |
| CN202770512U (en) * | 2012-08-30 | 2013-03-06 | 首钢京唐钢铁联合有限责任公司 | Redundant measuring device of online coil of strip balance of tray fortune defeated line |
| CN103017873A (en) * | 2012-11-12 | 2013-04-03 | 武钢集团昆明钢铁股份有限公司 | Unattended automatic steel metering system and method |
| CN204758095U (en) * | 2015-06-11 | 2015-11-11 | 山西太钢不锈钢股份有限公司 | Coil of strip automatic measurement device |
| CN109238418A (en) * | 2018-10-26 | 2019-01-18 | 山东钢铁集团日照有限公司 | A kind of roller-way weighing apparatus automatic metering system and its method based on weighing controller |
-
2019
- 2019-10-17 CN CN201910986893.4A patent/CN110702192A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1424562A (en) * | 2001-12-10 | 2003-06-18 | 济南星科经贸有限公司 | Automatic control system for weighing and measuring square ingot for continuous casting apparatus |
| CN202770512U (en) * | 2012-08-30 | 2013-03-06 | 首钢京唐钢铁联合有限责任公司 | Redundant measuring device of online coil of strip balance of tray fortune defeated line |
| CN103017873A (en) * | 2012-11-12 | 2013-04-03 | 武钢集团昆明钢铁股份有限公司 | Unattended automatic steel metering system and method |
| CN204758095U (en) * | 2015-06-11 | 2015-11-11 | 山西太钢不锈钢股份有限公司 | Coil of strip automatic measurement device |
| CN109238418A (en) * | 2018-10-26 | 2019-01-18 | 山东钢铁集团日照有限公司 | A kind of roller-way weighing apparatus automatic metering system and its method based on weighing controller |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112180850A (en) * | 2020-08-29 | 2021-01-05 | 首钢京唐钢铁联合有限责任公司 | Method and device for transmitting weight information of finished product roll |
| CN112729495A (en) * | 2020-12-18 | 2021-04-30 | 马鞍山力森金属结构有限公司 | Material weight detection device for steel structure machining |
| CN113420432A (en) * | 2021-06-18 | 2021-09-21 | 马鞍山钢铁股份有限公司 | Automatic simulation operation method for hot-rolling tray type steel coil conveying line |
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Application publication date: 20200117 |